Senior CBRN Field Service Engineer

Primary Responsibilities

This position incorporates a part-time schedule with potential for full time work. The Field Service Engineer will field deployments as needed based on the needs of the customer, thus work hours and schedule are subject to change to accommodate the needs of the customer. 

Field Service Engineers must be able to travel anywhere within the Continental United States supporting the Program as required.

All applicants must be a U.S citizen and hold an active TOP SECRET clearance.

The position is part of a rapid response, small team that fields equipment at various sites for equipment setup, sample collection, initial processing, and packaging and preparation for lab testing of environmental media at various locations across the United States.

Due to the nature of the job requirements, field service engineers are required to assist (two (2) persons) with lifting heavy (approx. 160 lbs.) equipment in and out of vehicles (approx. 38 inches in height).

Duties and responsibilities include, but are not limited to the following:

• Act as the Lead on temporary deployments (2-3 day CONUS efforts) charged with the collection, initial processing, and packaging and preparation for lab testing of environmental media at various locations.

• Obtain sensor equipment from storage locations, testing to ensure operational, and transporting them to all required installation site locations with little to no supervision from the Project Manager. 

• Schedule and complete all logistical duties to include travel and shipping of equipment in coordination with the customer.

• Collect environmental media, package and prepare for initial lab testing

• Follow specific step by step instructions set forth by the customer for collection and testing

• Prepare after-action reports, weekly and monthly reports and other program documentation.

• Schedule and conduct Preventive Maintenance at regular intervals and publish results.

• Securing the DFU equipment upon task completion, package equipment and arrange for shipment back to the storage facility.

Basic Qualifications

• Active Top SECRET Clearance

• Ability to work flexible hours/shifts and travel on short notice (up to 60% of the time)

• Candidate must have excellent interpersonal and organizational skills and must be able to work independently or in a team environment.  Candidate must be able to follow written and oral instructions and carry out tasks safely with minimal supervision and oversight.

• Candidate should have a strong customer focus.

• Proficiency in MS Office Suite including the ability to update and write Status Reports and After-Action Reports.

• Field Service Technicians must possess a valid driver’s license and be able to drive up to 500 miles during day and nighttime hours.

• Field Service Technicians must be able to fly for minimum up to 6 hours without lay over.

• Field Service Technicians must possess a REAL ID (compliant ID); and/or a U.S. passport or passport card.

• To install and retrieve sensors systems and environmental samples, technicians must be able to access mechanical spaces and or HVAC systems on rooftops in commercial and residential facilities or in manholes to access air intake tunnels. Thus the ability to perform the below functions is required.

• Ability to ascend/descend fixed ladders up to 24’ high.

• Ability to ascend/descent five levels of stairs without stopping in under a 130 Seconds (just over 2 minutes)

• Ability to work at elevated surface at heights of up to 40 stories for periods up to 30 minutes

• Ability to walk up to one mile without stopping on uneven terrain in under 20 min.

• Ability to work in small-enclosed spaces for up to 40 minutes multiple times during the shift.

Desired skills

• Knowledge in the operation of sample collection systems, field test methods, and collection of field data is desired.

• Prior experience and ability to plan a field operation within short timelines, installing equipment at temporary sites and producing customer after-action reports.

• Fundamental knowledge of HVAC systems & Background in CBRN Detection and Analysis

• Previous HAZWOPER certification or HAZMAT training

• Background in Environmental Health and Safety

• B.S. degree in a scientific discipline or relative experience

• Experience in environmental, chemical, biological, or radiological monitoring and/or sampling.

• Technical expertise to diagnose and repair electronic malfunctions, remove, and repair or replace unserviceable equipment.  Troubleshoot and test faulty equipment, identify system malfunctions and repair system failures.  Ability to perform confidence tests on selected equipment as needed to ensure proper operation, assist with system sampling and identification to determine health of equipment while maintaining communications and assessing operational data.

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Original Posting:

September 18, 2026

Pay Range:

Pay Range $92,300.00 - $166,850.00

The Leidos pay range for this job level is a general guideline only and 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.