Jr. Operations Technician

Leidos; Chantilly (VA); On-site; USD 85,000 - 105,000; Full time

Job summary

Leidos is seeking a Senior Operations Technician to join the MDS facilities team. You will operate, maintain, and repair critical building systems including HVAC, BAS, generators, and electrical distribution, while leading Junior Technicians and ensuring safety and documentation compliance.

Qualifications include TS/SCI w/ Poly clearance, 2–3 years in heavy equipment maintenance, and strong troubleshooting skills. The role requires night shifts and a high school diploma.

Qualifications

• Requires TS/SCI w/ Poly clearance.
• Night shift availability as part of regular schedule.
• HS diploma or equivalent required.
• 2–3 years of hands-on automotive or heavy equipment maintenance/repair experience.
• Knowledge of hydraulics, pneumatics, cooling systems, and electrical wiring.
• Ability to read technical manuals, wiring diagrams, chassis charts, and diagnostic tools.
• Proficient with hand and power tools for disassembly/reassembly.
• Experience with preventive and corrective maintenance, including brake adjustments and valve grinding.
• Strong troubleshooting and failure analysis abilities.
• Familiarity with safety protocols and safe work practices.

Responsibilities

• Operate, maintain, and repair critical infrastructure systems (HVAC, generators, BAS).
• Lead and guide Junior Operations Technicians in daily tasks and troubleshooting.
• Maintain documentation for inspections, repairs, and logs.
• Respond to alarms, outages, and emergencies with corrective actions.
• Coordinate with cross-functional teams during outages and emergencies.
• Analyze operational data to detect inefficiencies or equipment degradation.

Skills

Troubleshooting

Preventive maintenance

Mechanical aptitude

Electrical wiring

Reading diagrams

Safety compliance

Mentoring (preferred)

Education

High school diploma or equivalent

Tools

CMMS

Diagnostic software

Job description

Description

Are you an organized and detail-oriented professional with a passion for safeguarding the integrity of critical systems? Are you ready to take on a role where your expertise will make a critical impact? The Multi-Domain Solutions (MDS) division is seeking a Senior Operations Technician to join our facilities team and take a lead role in the operation, maintenance, and repair of critical building systems. This position supports a large, complex facility and requires technical expertise in both mechanical and electrical systems, including HVAC, central plants, generators, power distribution, and building automation systems. The ideal candidate will bring strong troubleshooting skills and leadership capabilities to ensure continuous, safe, and efficient operations.

Primary Responsibilities

Operate, maintain, and repair critical infrastructure systems, including:

• Boilers, chillers, HVAC systems
• Electrical distribution equipment (transformers, MCCs, UPS, substations)
• Pumps, generators, and power systems
• Building automation systems (BAS)
• Monitor system performance using control panels, gauges, and BAS interfaces.
• Respond to alarms, breakdowns, and emergencies, implementing corrective actions swiftly.
• Analyze operational data to detect inefficiencies or early equipment degradation.
• Perform both scheduled preventive maintenance and unscheduled corrective repairs.
• Lead and guide Junior Operations Technicians in daily tasks and troubleshooting.
• Maintain documentation for inspections, repairs, and operational logs.
• Ensure compliance with OSHA, NFPA, and company safety standards.
• Coordinate with cross-functional departments during equipment outages and emergencies.

Basic Qualifications

• Must be able to obtain a TS/SCI w/ Poly Clearance
• Must be available to work night shifts as part of the regular schedule.
• High school diploma or equivalent.
• 2-3 years of hands‑on experience in automotive or heavy equipment maintenance and repair.
• Working knowledge of hydraulics, pneumatics, cooling systems, and electrical wiring.
• Ability to read and interpret technical manuals, wiring diagrams, chassis charts, and diagnostic tools.
• Skilled in using standard hand and power tools for disassembly and reassembly of mechanical systems.
• Experience performing preventive and corrective maintenance, including brake adjustments, valve grinding, and light alignments.
• Strong troubleshooting and failure analysis skills.
• Familiarity with safety protocols and ability to ensure safe work practices.

Preferred Qualifications

• Experience leading or mentoring junior technicians or overseeing shop operations.
• Strong background in quality control practices, energy efficiency improvements, and safety assurance.
• Familiarity with computerized maintenance management systems (CMMS) or diagnostic software.
• Experience conducting vehicle inspections in compliance with DOT or local regulatory standards.
• Knowledge of technical specification development and parts procurement processes.
• Project management experience related to equipment maintenance or fleet upgrades.
• EPA Section 609 certification for refrigerant handling (for work involving vehicle air conditioning systems).

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law.
Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.