Sr. Electrical Preventative Maintenance Technician

Leidos Holding$85K — $100K *
Energy & Utilities
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Ability to obtain and maintain a TS/SCI w/ Poly Clearance prior to starting.
  • High school diploma or equivalent, with technical or trade education preferred.
  • 7+ years of hands-on electrical maintenance experience in critical facility environments.
  • Demonstrated experience with circuit breakers, switchgear, and power distribution systems.
  • Strong knowledge of AC/DC systems, electrical protection, and grounding systems.
  • Proficiency with advanced electrical testing equipment like multimeters and IR cameras.
  • Ability to read and interpret electrical diagrams and schematics.

Responsibilities

  • Lead and execute preventive and corrective maintenance for complex electrical systems.
  • Perform inspections, testing, and repairs of electrical infrastructure.
  • Conduct advanced diagnostics, including infrared thermography and load analysis.
  • Troubleshoot complex electrical failures and system inefficiencies.
  • Service motors, variable speed drives, UPS, and motor control centers.
  • Conduct breaker maintenance and testing per safety standards.
  • Mentor junior technicians and provide technical guidance.

Benefits

  • Opportunities for career advancement and professional development.
  • Access to a wide range of health and wellness benefits.
  • Collaboration within a multi-disciplinary team environment.
  • Involvement in state-of-the-art electrical systems maintenance.
Full Job Description

We are seeking a highly skilled and experienced Senior Preventive Maintenance Electrical Technician to lead, plan, and execute preventive and predictive maintenance programs for critical electrical systems and infrastructure. This is a senior, hands-on technical role requiring extensive experience with power distribution, circuit protection, and mission-critical electrical equipment.

The ideal candidate brings deep expertise in electrical systems, advanced diagnostic capabilities, and proven experience maintaining and servicing circuit breakers, switchgear, and power distribution equipment in industrial, commercial, or secure facility environments. This role plays a key part in ensuring system reliability, safety, and minimal unplanned downtime.

Primary Responsibilities:

  • Lead and execute preventive and corrective maintenance activities for complex electrical systems across the facility.

  • Perform detailed inspection, testing, maintenance, and repair of electrical infrastructure including circuit breakers (LV/MV), switchgear, panels, transformers, and power distribution systems.

  • Conduct advanced diagnostics such as infrared thermography, electrical load analysis, insulation resistance testing, and breaker performance testing.

  • Troubleshoot and resolve complex electrical failures, root-cause issues, and system inefficiencies.

  • Maintain and service motors, variable speed drives (VSDs), power distribution units (PDUs), uninterruptible power supplies (UPS), and motor control centers (MCCs).

  • Perform breaker racking, testing, coordination verification, and maintenance in accordance with manufacturer specifications and safety standards.

  • Support and mentor junior technicians, providing technical guidance and best-practice instruction.

  • Collaborate with mechanical, HVAC, controls, and facilities teams to support integrated maintenance operations.

  • Maintain accurate maintenance records, reports, and documentation using CMMS or equivalent systems.

  • Ensure all work complies with NEC, NFPA, OSHA, local electrical codes, and internal safety procedures.

  • Monitor electrical system condition and performance, recommending upgrades, repairs, or replacements to improve reliability and safety.

Basic Qualifications

  • Ability to obtain and maintain a TS/SCI w/ Poly Clearance prior to starting with Leidos

  • High school diploma or equivalent (technical or trade education strongly preferred).

  • 7+ years of hands-on experience in electrical maintenance within industrial, commercial, data center, or critical facility environments.

  • Demonstrated experience maintaining, testing, and troubleshooting circuit breakers, switchgear, and power distribution systems.

  • Strong working knowledge of AC/DC systems, three-phase power, electrical protection, and grounding systems.

  • Proficiency using advanced electrical test equipment (multimeters, megohmmeters, clamp meters, IR cameras, etc.).

  • Ability to read and interpret electrical drawings, schematics, and one-line diagrams.

  • Strong troubleshooting, analytical, and decision-making skills.

  • Ability to work independently with minimal supervision in high-reliability environments.

  • Physical ability to stand, walk, climb ladders, work in electrical rooms, and lift equipment as required.

Preferred Qualifications

  • Active TS/SCI with Polygraph

  • Journeyman or Master Electrician license.

  • Technical certification, trade school training, or military electrical background.

  • Experience with medium-voltage systems, protective relays, and breaker coordination studies.

  • Familiarity with CMMS platforms and preventive/predictive maintenance programs.

  • Strong knowledge of NEC, NFPA 70E, OSHA, and electrical safety best practices.

  • Prior experience in secure, mission-critical, or high-availability facilities.

  • Leadership experience or prior role as a lead or senior technician.

EC-DAS



Original Posting:
August 26, 2026

Pay Range:
Pay Range -

The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

About Leidos Holding

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Joining Leidos Holding presents an unparalleled opportunity to advance one's career with a leader in innovation and technology. The company offers a plethora of job opportunities aimed at fostering professional growth and development in a diverse and inclusive environment.

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Leidos Holding is actively seeking skilled professionals who are passionate about leveraging their expertise to drive innovation and leadership in their fields. With a variety of open positions, Leidos Holding provides a platform for individuals to challenge themselves in a dynamic work environment.

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At Leidos Holding, innovation is at the core of everything they do. Employees are encouraged to think creatively and push boundaries. The company supports this drive for innovation through comprehensive professional development and diversity training programs that are designed to enhance skills and foster leadership.

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Leidos Holding is committed to creating a workplace where diversity is not only recognized but celebrated. With a culture that values and promotes diversity, Leidos Holding ensures that all team members have the opportunity to contribute, learn, and grow.

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For those starting their career, Leidos Holding offers internship programs that provide a robust foundation in the industry. Internships are a great way to develop essential skills, gain valuable work experience, and build professional networks.

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Employees at Leidos Holding enjoy a range of benefits designed to support their professional and personal lives. The company culture is built on a foundation of respect and integrity, providing a supportive and collaborative environment where every team member is valued.

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