• Experienced in the design of water treatment plants (desalination, potable water, recycle water), wastewater treatment plants (municipal and industrial) and membranes systems (MBR, MF/UF, Reverse Osmosis, Nano-Filtration, etc.)

• Review Client’s Requirement, Technical Specifications & Tender Specifications to generate engineering deliverables (General Specification & Particular Specifications, Datasheets, Major Equipment List, Pipe List, Mass Balance, Hydraulic Profiles, Process Flow Diagram, Process & Instrumentation Diagram, etc.)

• Assist the Engineering Manager on engagement with Clients, Consultants, Sub-Contractors, Vendors, and others for the development of design, procurement, fabrication, construction, erection and commissioning works.

• Coordinate with inter-disciplines engineering team (Process, Mechanical, Electrical, Instrumentation & Control Automation, C&S, Piping & Systems/Skids Engineering and Drafting) on development of engineering deliverable on a timely basis.

• Reviewing and providing input to project schedule and ensure all planned dates and progress are realistic. Provide updates on engineering deliverables per schedules and implement catch-up actions where applicable.

• Procurement Services Support: Develop the applicable Equipment List/Package, Technical Specifications and Bill of Materials to support Procurement Department to issue Request for Quotation (RFQ). Assist to review the RFQ, prepare applicable technical & commercial clarifications with selected Sub-Contractors or Suppliers. Provide justification on the shortlisted Sub-Contractors or Suppliers for onward negotiations.

• Assist the Engineering Manager on the development of FAT, SAT, Pre-Commissioning, Start-up, Commissioning protocol and support the implementation.

• Development of Operational & Maintenance Manual.

• Assist the Engineering Manager to support project management team in project implementation related engineering, troubleshooting and maintenance requirement.

No experience/Diploma in precision/mechanical/mechatronic/electrical/electronic/Industrial or related engineering

Basic (no experiene / fresh)-start from $2600, after 3 months $2700

Diploma in Engineering

Have AWS & Bonus

Japanese MNC

Job Description

• Assist Supervisor in day-to-day operation lines.
• Planning & Co-coordinating the workflow on production lines to achieve production targets.
• Trouble shooting production problems and assist in planning new project work.
• Groom to be leader

Requirements

• Diploma in Engineering
• No experience / Entry level welcome to apply
  

Please submit your updated resume in MS format by using the APPLY NOW BUTTON.
Alternatively, you may also email your resume to us at [email protected]

Emily Fong
Senior Talent Specialist
Atomrecruit Pte. Ltd. | MOM EA License No.: 15C7443
EA Personnel Reg No.: R1768368

No experience/Diploma in precision/mechanical/mechatronic/electrical/electronic/Industrial or related engineering

Basic (no experiene / fresh)-start from $2600, after 3 months confirmation $2700

Diploma in Engineering

Have AWS & Bonus

Japanese MNC

Job Description

• Assist Supervisor in day-to-day operation lines.
• Planning & Co-coordinating the workflow on production lines to achieve production targets.
• Trouble shooting production problems and assist in planning new project work.
• Groom to be leader

Requirements

• Diploma in Engineering
• No experience / Entry level welcome to apply
  

Please submit your updated resume in MS format by using the APPLY NOW BUTTON.
Alternatively, you may also email your resume to us at [email protected]

Emily Fong
Senior Talent Specialist
Atomrecruit Pte. Ltd. | MOM EA License No.: 15C7443
EA Personnel Reg No.: R1768368

No experience/Diploma in precision/mechanical/mechatronic/electrical/electronic/Industrial or related engineering

Basic (no experiene / fresh)-start from $2600, after 3 months confirmation $2700

Diploma in Engineering

Have AWS & Bonus

Japanese MNC

Job Description

• Assist Supervisor in day-to-day operation lines.
• Planning & Co-coordinating the workflow on production lines to achieve production targets.
• Trouble shooting production problems and assist in planning new project work.
• Groom to be leader

Requirements

• Diploma in Engineering
• No experience / Entry level welcome to apply
  

Please submit your updated resume in MS format by using the APPLY NOW BUTTON.
Alternatively, you may also email your resume to us at [email protected]

Emily Fong
Senior Talent Specialist
Atomrecruit Pte. Ltd. | MOM EA License No.: 15C7443
EA Personnel Reg No.: R1768368

No experience/Diploma in precision/mechanical/mechatronic/electrical/electronic/Industrial or related engineering

Basic (no experiene / fresh)-start from $2600, after 3 months confirmation $2700

Diploma in Engineering

Have AWS & Bonus

Japanese MNC

Job Description

• Assist Supervisor in day-to-day operation lines.
• Planning & Co-coordinating the workflow on production lines to achieve production targets.
• Trouble shooting production problems and assist in planning new project work.
• Groom to be leader

Requirements

• Diploma in Engineering
• No experience / Entry level welcome to apply
  

Please submit your updated resume in MS format by using the APPLY NOW BUTTON.
Alternatively, you may also email your resume to us at [email protected]

Emily Fong
Senior Talent Specialist
Atomrecruit Pte. Ltd. | MOM EA License No.: 15C7443
EA Personnel Reg No.: R1768368

No experience/Diploma in precision/mechanical/mechatronic/electrical/electronic/Industrial or related engineering

Basic (no experiene / fresh)-start from $2600, after 3 months $2700

Diploma in Engineering

Have AWS & Bonus

Japanese MNC

Job Description

• Assist Supervisor in day-to-day operation lines.
• Planning & Co-coordinating the workflow on production lines to achieve production targets.
• Trouble shooting production problems and assist in planning new project work.
• Groom to be leader

Requirements

• Diploma in Engineering
• No experience / Entry level welcome to apply
  

Please submit your updated resume in MS format by using the APPLY NOW BUTTON.
Alternatively, you may also email your resume to us at [email protected]

Emily Fong
Senior Talent Specialist
Atomrecruit Pte. Ltd. | MOM EA License No.: 15C7443
EA Personnel Reg No.: R1768368

No experience/Diploma in precision/mechanical/mechatronic/electrical/electronic/Industrial or related engineering

Basic (no experiene / fresh)-start from $2600, after 3 months $2700

Diploma in Engineering

Have AWS & Bonus

Japanese MNC

Job Description

• Assist Supervisor in day-to-day operation lines.
• Planning & Co-coordinating the workflow on production lines to achieve production targets.
• Trouble shooting production problems and assist in planning new project work.
• Groom to be leader

Requirements

• Diploma in Engineering
• No experience / Entry level welcome to apply
  

Please submit your updated resume in MS format by using the APPLY NOW BUTTON.
Alternatively, you may also email your resume to us at [email protected]

Emily Fong
Senior Talent Specialist
Atomrecruit Pte. Ltd. | MOM EA License No.: 15C7443
EA Personnel Reg No.: R1768368

Job Description:

• Responsible for on-site technical and engineering matters.
• Supervise & coordinate day-to-day site works, including sub-contract works, safety and quality control.
• Site inspection & upkeep site record.
• Liaise with consultants, client etc.
• Other duties assigned by Site Manager / PM.

Requirements & Qualifications:

• Graduate Bachelor in Engineering (Civil) or equivalent.
• 3-5 years work experience in Building Construction.
• Able to work independently.
• Autodesk Revit MEP experience will be an advantage

Job Description:

• Responsible for on-site technical and engineering matters.
• Supervise & coordinate day-to-day site works, including sub-contract works, safety and quality control.
• Site inspection & upkeep site record.
• Liaise with consultants, client etc.
• Other duties assigned by Site Manager / PM.

Requirements & Qualifications:

• Graduate Bachelor in Engineering (Civil) or equivalent.
• 3-5 years work experience in Building Construction.
• Able to work independently.
• Autodesk Revit MEP experience will be an advantage

Responsibilities:

• Electrical and Mechanical Design for IoT sensor systems.
• Provide technical support and design for site installation of IoT systems.
• Support Project Manager in technical reviews and discussions with customers, subcontractors, and suppliers.
• Manage work plan and budget.
• Prepare project documents and reports for submission.
• Ensure cost-effective execution of deliverables in accordance with contract specifications, schedule, and safety requirements.
• Manage site installation and commissioning works.

Requirements:

• Diploma in Electrical / Mechanical Engineering or equivalent.
• 3-5 years’ experience in engineering projects.
• Experience in System Integration, Automation, Electrical or Mechanical environments will be preferred.
• Candidates with experience in working with water supply and distribution systems will have an advantage.
• Able to multi-task and work under tight schedules.
• Strong project and people management skills.
• Excellent command of both written and spoken English.

Job Description

• Review, update and maintain Quality Management System procedures.
• Verify & ensure process documentation compliance; Work Instruction, Quality Inspection Plan, Date Sheet & Inspection Reports, etc.
• Lead & guide QC Inspectors in ensuring work compliance.
• Oversee in-process and outgoing quality inspections and work with internal team teams to resolve quality issues in daily manufacturing process.
• Responsive towards resolution of process non-conformance.
• Follow up customer complaints by communicating with internal teams for containment actions, root cause analysis, corrective and preventive actions.
• Managing documentation control system, as well as audits (Internal/external).
• Ensure Customer environmental survey and other relevant requests are completed in a timely and orderly manner.
• Support QA/QC activities, assisting in projects when required & providing additional support when necessary.
• Any other ad-hoc duties as assigned.

**Successful candidate will be provided on-the-job training

Job Requirement

• Minimum Diploma/Degree in Quality Management/Mechanical/Manufacturing Engineering/Chemistry/ Chemical Engineering or equivalent.
• Min 1 year related working experience in manufacturing settings.
• Min 1 year of experience in Quality / Supplier Quality in a manufacturing environment working in a ISO regulated environment.
• Knowledge in ISO 13485, ISO 9001 and ISO 14001.
• Team player with good working attitude.
• Able to start work immediately.
• Comfortable to work at East area, Changi South.
• Entry level are welcome to apply.

Job Description:

• Responsible for on-site technical and engineering matters.
• Supervise & coordinate day-to-day site works, including sub-contract works, safety and quality control.
• Site inspection & upkeep site record.
• Liaise with consultants, client etc.
• Other duties assigned by Site Manager / PM.

Requirements & Qualifications:

• Graduate Bachelor in Engineering (Civil) or equivalent.
• 3-5 years work experience in Building Construction.
• Able to work independently.
• Autodesk Revit MEP experience will be an advantage

Roles & Responsibilities

The Site Engineer (Building) is responsible for assisting on the progress of site works and manpower related aspects of the project.

The responsibilities of this position are, and not limited to, as follows:

• Monitor and supervise Engineers / foremen, ensure compliance to the quality procedures & standard of workmanship. Checking on quality and quantity of work by subcontractors.
• Preparation of detailed program for the site team to follow accordingly & completed in time.
• Resolve drawing discrepancies & technical difficulties with Technical team.
• Coordinates between sub-contractors/vendors/internal departments and monitor site manpower / material / equipment demands to meet schedules.
• Liaise with the Consultants on the submission related to structural works and Technical Department.
• Plan all works on site, including program schedules and construction methods, forecast equipment, material and manpower requirement, and control usage and wastages of all.
• Adherence to safety practices in the work place.
• Any other duties that may be assigned to you from time to time as your superior / management deem fit.

Qualifications and Education Requirements

• Education: Degree in Civil Engineering from a recognized University
• Experience: Prior 3 years experience in building projects

Electronics Engineer Responsibilities:

• Designing, inspecting, testing, and updating electronic systems, components, equipment, and software.
• Liaising with engineers, other professionals, as well as clients to ensure quality projects are completed to specifications.
• Ensuring all equipment and products meet health and safety regulations.
• Observing existing processes and making recommendations for improvement.
• Developing effective maintenance, testing, and quality control procedures.
• Showing initiative and keeping up with advancements in Electronics.
• Representing the company at conferences and delivering presentations if required.
• Monitoring processes, systems, and staff, and punctually identifying problems.
• Establishing relationships with staff, vendors, suppliers, and other professionals in the field.
• Writing specifications, instructions, reports, and handling other required administrative duties.

Electronics Engineer Requirements:

• Bachelor's degree in engineering or similar.
• Master's degree preferable.
• A relevant license may be required.
• Practical experience with design software.
• Experience in design recommended.
• Excellent problem-solving and troubleshooting skills.
• Strong written, verbal, and telephonic communication skills.
• Excellent research and interpersonal skills.
• Strong analytical skills.
• Willingness to work overtime if required.

Under limited supervision, the technician will install, service, and repair electronic equipment on board ships. You will test, adjust, and troubleshoot components, PCBs, sub-assemblies, and antennas. Load, update, and modify software. Use your knowledge of electronic theory and circuitry to address a variety of technical problems. Make intelligent use of complex schematics, and manuals to accurately achieve assignments. Upon completing the assignment, you will compose a detailed service report.

most Original Equipment Manufacturers in the Marine/ Oil & Gas industry including and not limited to: SPERRY, FEDERAL SIGNAL, SEATEL, SAILOR, FURUNO, JRC, JOTRON,DANELEC, NINGLU, SKIPPER, ORLACO,HIKVISION,AXIS, PELCO, etc

1. Responsible for co-ordination of all technical activities on assigned project and assist in ensuring successful completion and execution of the assigned projects.

2. Participate in client or contractor site meetings and inspections to ensure site installation is carried in accordance to the technical specification of the project.

3. Ensure effective communication and coordination between all disciplines and project participants in the projects, to resolve all site issue hindering the work progress.

4. Assist in planning, scheduling and coordination of works and ensure proper deliverables and full compliance to the authority standards.

5. Assist in all project management and coordination activities delegated by project manager; including day-to-day interaction with clients, preparation of project proposals and production coordination.

6. Assist in all project administration where required

7. Report to the Project Manager on any site issues hindering the work progress. For example, report any change of design or architectural plan, incurring addition work to our trade. Highlight those changes that might results omission or variation cost.

8. Report to the Project Manager monthly work progress carried out on site.

9. Any other duties as assigned by Management from time to time.

1. Responsible for co-ordination of all technical activities on assigned project and assist in ensuring successful completion and execution of the assigned projects.

2. Participate in client or contractor site meetings and inspections to ensure site installation is carried in accordance to the technical specification of the project.

3. Ensure effective communication and coordination between all disciplines and project participants in the projects, to resolve all site issue hindering the work progress.

4. Assist in planning, scheduling and coordination of works and ensure proper deliverables and full compliance to the authority standards.

5. Assist in all project management and coordination activities delegated by project manager; including day-to-day interaction with clients, preparation of project proposals and production coordination.

6. Assist in all project administration where required

7. Report to the Project Manager on any site issues hindering the work progress. For example, report any change of design or architectural plan, incurring addition work to our trade. Highlight those changes that might results omission or variation cost.

8. Report to the Project Manager monthly work progress carried out on site.

9. Any other duties as assigned by Management from time to time.

Responsibilities

• Complies with all applicable codes, regulations, governmental agency and Company directives related to building operations and work safety.
• Leads operations, assigns work orders, and/or provides technical and procedural training of coworkers and subcontractors. Arranges for subcontractors as needed.
• Consults with clients to schedule preventive maintenance and other downtime to minimize business interruption and inconvenience.
• Formulates and implements a preventive maintenance program to ensure that building machinery and systems meet or exceed their rated life.
• Monitors building systems including fire alarms, HVAC, and plumbing to ensure operation of equipment is within design capabilities and achieves environmental conditions prescribed by client.
• Oversees and inspects the work performed by engineering staff. Determines that work is complete, equipment is fully functional and client space is in prime working condition.
• Responds quickly to emergency situations, summoning additional assistance as needed.
• Assist as needed with routine preventative maintenance functions (filter changes, belt replacements, water treatment, etc.)
• Ability to perform work independently after being given specific instructions.
• Must be able to work effectively with other team members and safety conscious environment.
• Follow company and customer rules and guidelines.
• Respond to customer requests.
• Performs other duties as assigned.

Qualifications & Requirements

• College Graduate (Engineering i.e., mechanical, or Electrical or any related courses)
• IFM property Management experience for commercial offices (At least 4-5 years)
• High IFM and Technical knowledge particularly in equipment’s and engineering (mechanical, electrical and such)
• Knowledgeable in equipment’s such as genset, UPS, BMS, FDAS, etc Certification on Safety Training would be an advantage.
• Additional certification in three or more of the following: HVAC, electrical, mechanical, HVAC and refrigeration systems, process controls, mechanical power transmissions, painting, plumbing, carpentry, or engine repair.
• Certifications/licenses as may be required by local or state jurisdictions.

Why join Cushman & Wakefield?

As one of the leading global real estate services firms transforming the way people work, shop and live working at Cushman & Wakefield means you will benefit from;

• Being part of a growing global company;
• Career development and a promote from within culture;
• An organisation committed to Diversity and Inclusion

We're committed to providing work-life balance for our people in an inclusive, rewarding environment.

We achieve this by providing a flexible and agile work environment by focusing on technology and autonomy to help our people achieve their career ambitions. We focus on career progression and foster a promotion from within culture, leveraging global opportunities to ensure we retain our top talent. We encourage continuous learning and development opportunities to develop personal, professional and technical capabilities, and we reward with a comprehensive employee benefits program.

We have a vision of the future, where people simply belong.

That's why we support and celebrate inclusive causes, not just on days of recognition throughout the year, but every day. We embrace diversity across race, colour, religion, gender, national origin, sexual orientation, gender identity or persons with disabilities or protected veteran status.

We ensure DEI is part of our DNA as a global community - it means we go way beyond than just talking about it - we live it. If you want to live it too, join us.

Job Description

Supervision and co-ordination of projects. You will work closely with the Project Team and other technical professionals, regulatory authorities and contracts to ensure that all works coply fully with regulatory and clients' requirements.

Requirements

• Degree in Civil Engineering
• Certification in BCSS
• Minimum 3 years working experience
• Knowledge of Autocad and MS Projects

The BMS Engineer deployed on site is required to perform planned and ad-hoc maintenance works including supervise the Technicians and Contractors in carrying out the works in specific projects. The BMS Engineer should also possess good communication skills and be able to relate to different levels of people. The BMS Engineer should also be proactive in learning and implementing of new technologies on site. The BMS Engineer will also be holding a concurrent role of TE and will discharge his/her duty accordingly to the requirement of the BMS Engineer.

What you will be doing:

• Perform maintenance services and supervise contractors / vendors in the delivery of equipment.
• Assist in implementing the quality maintenance program and complying with government/statutory regulations
• Assist in managing minor projects or improvement works or repair & replacement (R&R) works and supervise the works
• Prepare and justify for variation of works
• Ensure that works are completed on time and as per contract requirements
• Establish good relations between own team members and building owners
• Ensure all fault cases are promptly followed up and closed in the CMMS / Helpdesk
• Work closely with Client’s FM team to understand the needs and requirements of the end users
• Undertake any other duties as assigned by the Client/ESS team
• On daily basis, follow up on anomalies or faults detected from the use of the BMS to optimize the building equipment;
• Deep dive into building function and equipment to improve energy efficiencies and eliminate intermittent faults, derive new fault rules specific and relevant to the Sites; and
• Manage, operate, configure, modify and perform troubleshooting on the BMS system.

You are:

• Possess a diploma in Building, Facilities, Engineering or relevant disciplines from a recognized establishment with a minimum 3 years of relevant working experience in BMS.
• Minimum of 5 years of relevant working experiences in facility management works
• Trained in Building Management System
• Fluent with Microsoft Office

Why join Cushman & Wakefield?

As one of the leading global real estate services firms transforming the way people work, shop and live working at Cushman & Wakefield means you will benefit from;

• Being part of a growing global company;
• Career development and a promote from within culture;
• An organisation committed to Diversity and Inclusio

We have a vision of the future, where people simply belong.

That's why we support and celebrate inclusive causes, not just on days of recognition throughout the year, but every day. We embrace diversity across race, colour, religion, gender, national origin, sexual orientation, gender identity or persons with disabilities or protected veteran status. We ensure DEI is part of our DNA as a global community - it means we go way beyond than just talking about it - we live it. If you want to live it too, join us.

Electrical Engineer Responsibilities:

• Designing, maintaining, implementing, or improving electrical instruments, facilities, components, equipment products, or systems for industrial, commercial, or domestic purposes.
• Performing a wide range of engineering tasks by operating computer-assisted design or engineering software and equipment.
• Conferring with customers, engineers, and others to discuss existing or potential engineering products or projects.
• Ensuring that installation and operations conform to standards and customer requirements by preparing electrical systems specifications, technical drawings, or topographical maps.
• Establishing construction, manufacturing, or installation standards or specifications by performing a wide range of detailed calculations.
• Ensuring compliance with specifications, codes, or customer requirements by directing or coordinating installation, manufacturing, construction, maintenance, documentation, support, or testing activities.
• Writing reports and compiling data regarding existing and potential electrical engineering projects and studies.
• Preparing specifications for purchases of electrical equipment and materials.
• Supervising or training project team members.
• Estimating material, labor, or construction costs for budget preparation.
• Maintaining electrical equipment.
• Working with a variety of technicians.

Electrical Engineer Requirements:

• Bachelor's degree in electrical engineering degree from an accredited school.
• Licensed as a professional engineer.
• Experience in using or a desire to learn the required software.
• Knowledge of applicable codes related to electronic engineering.
• Proficient in design and calculation software.

Job Description:

- Responsible for the supervision of Electrical Equipment testing and commissioning at site, review and

submission of site acceptance test reports.

- Review Single Line Diagrams and Electrical Schematic Drawings.

- Assist in Electrical Equipment Installation Inspections.

- Attend to Site Activities and Meetings involving clients and contractors.

- To undertake tasks / assignments as and when directed by the Commissioning Lead.

Job Requirements:

- Candidate must possess at least Diploma in Electrical Engineering.

- At least 2 Years of local working experience in the related field is required for this position.

- Possess initiative and capable of multi-tasking in a fast paced environment.

- Experience in MV / LV Electrical Equipment (Site Installation, Testing and Commissioning,

Maintenance Testing) will be an added advantage.

Responsibilities:

• Responsible for new business account development expansion and identify business opportunities.
• Conducts sales calls, prepares, and performs company and proposal presentations.
• Leads sales enquiry, understand customer requirement and work with internal technical team to submit project proposal.
• To process and monitor the request for quote process, from enquiry to propose a quotation for management review.
• To formalize the quotation and proposal, submission to customer and follow up.
• Establish rapport, build relationships and constant liaison with customers on future projects.
• To provide sales projection and forecast.
• Interact with internal teams on new project development.
• Establish assembly process instructions and test plans.
• Consolidate assembly process evaluation or test reports for review and control.
• Ensure that parts or components ready for assembly pilot run.
• Ensure that manufacturing process documentation compliance and updated.
• Liase on assembly fixtures, tools and equipment.
• Ad-hoc projects as assigned.

**Successful candidate will be provided on-the job training

Requirements:

• Diploma in Mechanical / Manufacturing Engineering.
• Min. 3 years of sales experience in plastic injection molding industry.
• Have good written, oral or interpersonal skills.
• Equip with good self-confident when conducting presentation.
• Have proactive negotiating skills with customers & supplier.
• Ability in follow up sales account and maintain sales.

Job Description:

• Corporate with the constrcution manager to connect with various government acceptance departments.
• Corporate with the constrcution manager to supervise and manage the site to meet the various goals of the project.
• Corporate closely with subcontractors to monitor the progress of small towns and coordinate the work resources required by subcontractors to meet project requirements.
• Corporate with goverment personnel to conduct on-site inspections.
• Participate in weekly or monthly meetings with subcontractors to discuss work progress and corperate in preparing monthly meeting progress reports.
• Establish good relationships with all relevant parties.
• Corporate to ensure site safety and comply with the requirements of the authorities.
• Corporate to organize relevant physical and electronic documents on site engineer, etc.
• Other tasks assigned by the manager.

Requirements & Qualifications:

• Diploma / Degree or above preferably from a recognized University accredited with PEB, Singapore
• Experience with public residential projects would be advantages
• Proficient in Microsoft Office / Projects, AutoCAD
• Ability to keep a positive attitube in a fast-paced environment
• Good team player

Job Description:

• Report to the Senior Project Manager/Project Director
• To assist in site supervision works
• Coordinate internally with inter-department and externally with clients & consultants
• Coordinating for the project planning, documentation, and execution of works on-site
• Coordination, supervision & monitoring of the progress of the project works on site, manpower mobilization, materials planning & ordering
• Coordinate with the contractor and suppliers on all project implementation issues and attend site meetings when required
• Coordinate all submissions
• Produce weekly site progress reports and necessary submissions
• Attend meetings, and conduct site inspections on work progress to ensure quality control by authority requirements.

Job Requirement：

• Degree in Engineering or equivalent
• At least 3 Years of working experience in the related field is required for this position
• Experience in reinforced concrete building and architectural design is an advantage
• Able to work well under pressure
• Independent with good communication skills
• Good organizational and planning skills
• Effective communication, coordination skills, and teamwork
• Able to work 6 working days
• Able to work overtime/shift rotation