Senior Field Service Engineer - Electronic Security

Diversified • Sterling, VA

2d • Onsite

About The Position

The Senior ESS Field Service Engineer is a key technical resource responsible for providing onsite troubleshooting, diagnostic support, and hands‑on resolution for a wide range of Electronic Security Systems (ESS). This role supports both field service engineers and technicians by addressing complex technical issues, ensuring operational continuity, and contributing to the success of managed service efforts.
In addition to technical expertise, the Senior ESS Field Service Engineer will lead small‑scale service projects and system upgrades. This includes coordinating schedules, collaborating with service and installation teams, and guiding technical personnel to ensure successful project execution. The role reports directly to the Field Services Director and requires daily status reporting on ticket closure, project progress, and program updates.
Work will involve servicing and supporting ESS technologies such as card access systems, CCTV, and intrusion detection systems across diverse environments, including corporate offices, warehouses, distribution centers, data centers, and active construction sites.
The position also serves as an onsite liaison, representing Diversified while coordinating between the client, internal teams, and other onsite personnel. Diversified supports continued learning through paid professional development and industry certification opportunities.
This is a full‑time onsite role, Monday through Friday, with an eight‑hour daily schedule determined by Diversified and the client. Overtime, including on‑call rotations with associated pay, may be required based on operational needs.
NOTE - US Citizenship is a requirement for this position due to the government customers it supports.

Requirements

• High School Diploma or equivalent
• US Citizenship
• Manufacturer certifications from one or more leading ESS platforms, such as (Lenel, Genetec, , S2, , DMP, Bosch, Milestone, Software House , ,DCJS(VA and TX only), OSHA 30, Lift or Boom cert)
• Industry-recognized certifications in access control or video management systems (e.g., Lenel, Milestone, CCure 9000, DMP, Honeywell, etc.).
• Hands-on experience with enterprise‑level networking and IP‑based ESS architectures, including configuration, maintenance, and troubleshooting of networked security devices.
• Proficiency with major ESS platforms, such as Lenel, CCure, DMP, Honeywell, Brivo, Milestone, ExacqVision, Eagle Eye, Axis, and Hanwha.
• Experience using Bluebeam for documentation, markup, and project coordination.
• Demonstrated ability to lead and support multi‑discipline technical teams, including involvement in regional or enterprise-scale project deployments.
• 3+ years of experience supporting enterprise‑level security systems, including card access, CCTV, CATV, and intrusion detection systems in accordance with manufacturer standards and engineered drawings.
• Strong competencies in AutoCAD and Visio, with the ability to read and interpret technical drawings.
• Basic wiring and cable‑termination skills relevant to ESS installations and servicing.
• General computer proficiency, including experience with software and tools common within the Electronic Security Systems industry.
• Knowledge of network configuration and troubleshooting, including IP addressing, routing, and device connectivity.
• Excellent client-facing communication skills, with the ability to work professionally with high‑level executives and in high‑pressure meeting environments.
• Valid driver’s license with a clean driving record required.
• Ability to perform physically demanding work, including standing, kneeling, or crouching for extended periods; working in high or confined spaces; and operating in hot, humid, or cold environments.
• Competence in safely using hand tools, power tools, ladders, and required safety equipment.
• Ability to lift and maneuver up to 50 lbs. and sustain frequent bending, kneeling, standing, and walking for extended periods.
• Must successfully pass a background screen and drug test.
• Experience installing security systems (card access, CCTV, CATV and intrusion systems)

Responsibilities

• Demonstrated advanced technical skills in performing preventive maintenance, troubleshooting, and break/fix repairs on complex Electronic Security Systems (ESS), including access control, CCTV, and intrusion detection systems.
• Ability to serve as the primary technical escalation point for all ESS‑related issues, providing expert‑level diagnostics, fault isolation, root‑cause analysis, and resolution of medium- to high‑complexity problems.
• Proven experience overseeing the repair, service, and operational health of ESS equipment, including planning and implementing system improvements to enhance performance and reliability.
• Strong capability in developing, executing, and tracking daily and weekly preventive maintenance schedules, including reporting to ensure optimized system readiness and functionality across customized spaces.
• Competence in identifying defective, failed, or degraded equipment and taking full ownership through resolution, including documentation, communication, and follow‑through.
• Experience coordinating with equipment manufacturers, developers, engineers, and project managers on the client’s behalf to resolve complex technical issues.
• Ability to perform safe, precise fault diagnosis, including removal, repair, testing, implementation, and verification of ESS components, devices, and systems.
• Skilled in managing the daily configuration, operation, monitoring, and optimization of ESS platforms and related technologies.
• Familiarity with process improvement methodologies, with the ability to oversee planning and execution of improvements necessary to maintain ESS performance in mission‑critical areas.
• Strong communication and customer‑facing skills, with the ability to act as liaison between onsite teams and Diversified Service Management, ensuring alignment and professional representation.
• Experience collaborating with client teams to schedule meetings and prepare meeting spaces, ensuring required technology accommodations for trainers and end-users are fully functional.
• Ability to support and prepare live event spaces, including auditoriums and other large venues, ensuring ESS‑related needs are met for major meetings or events.
• Capability to drive and participate in continuous improvement initiatives, collaborating with the client to enhance and evolve ESS technology solutions.
• Strong user‑support skills, assisting end‑users in accessing, using, and troubleshooting ESS systems as needed.
• Proficiency in tracking, updating, and reporting on ESS support tickets and service requests, showing detailed progress from initial report to final resolution and providing analytical data required to meet client metrics.
• Professionalism and confidence in interfacing with executive‑level and C‑suite personnel.
• Understanding of and adherence to client HR and labor regulations, including compliance with benefits, PTO policies, safety standards, and related guidelines.
• Ability to collaborate with local Service Management on actions related to client support, including but not limited to end‑user training and workflow coordination.

Benefits

• Multiple medical plan options to suit your family’s needs
• Dental (including orthodontic coverage) and vision plans
• Company paid Basic Life, AD&D, Short-Term and Long-Term Disability Insurance, and Employee Assistance Plan (EAP)
• Healthcare and Dependent Care Flexible Spending Accounts (FSA)
• 401k with Employer Match
• Paid Time Off and Paid Holidays
• Voluntary Benefits: Critical Illness, Hospital Indemnity, Accident Insurance, Pet Insurance, Homeowners and Auto Insurance, Supplemental Term and Dependent Life and AD&D, and Legal Services
• Commuter Benefits

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: High school or GED
• Number of Employees: 501-1,000 employees