Field Service Engineer III (Contingent Upon Award)

Sierra Nevada Corporation Shalimar, FL

About the Job

This is an interesting, challenging, and complex work effort requiring the very best applicants. At the current time we are searching for applicants for Systems Administrator and Mission Equipment Maintenance roles. If you meet these qualifications and are interested in joining our unique, growing team, please apply as indicated.

The Mission Solutions and Technologies (MST) business area provides affordable, turn-key command/control, communications, integrated ISR, force protection and security solutions worldwide. The MST team has a long legacy of supporting the Department of Defense, Department of Homeland Security, commercial and international customers with years of experience in platform operations, engineering and full lifecycle management across domains – air, land, sea, space and cyber. Learn more about MST

Primary Responsibilities:

  • Provide Mission Equipment maintenance support in an high OPTEMPO environment, meeting or exceeding required Operational Availability

  • Familiarity  with all aspects of the operation and maintenance of the mission equipment specified under the field service contract

  • Work directly with CONUS engineering support staff during periodic system upgrades or modifications

  • Install, integrate, and test mission equipment on specialized platforms

  • Perform periodic system performance testing to ensure proper mission equipment operation

  • Understand system operation and operation techniques in order to operate systems efficiently and effectively

  • Isolate and report hardware and software defects to appropriate engineering groups

  • Review system data including, logs, test reports, and other troubleshooting products to identify system errors and provide feedback to operators, analysts, and CONUS engineering support staff

  • Provide daily reports of maintenance activities and system status 


  • Bachelor's degree in a related field of study and typically 6 or more years of related experience

  • A higher level degree may substitute for required experience

  • Relevant experience may be considered in lieu of required education

  • Hands-on experience with a wide variety of network related tools, concepts, technologies, best practices, and security procedures including Network File Systems (NFS, GPFS, Lustre, Samba, CIFS, etc.), and Cisco CCNA/CCNP

  • Ability to frequently travel outside the continental US, typically for extended periods of time

  • DoD 8570/8140 compliance certifications (as required per role): Security +, CASP, CISSP, ISSEP and/or other equivalent certification (desired) *Required within 6 months of hire.

  • Ability to balance cybersecurity requirements with SNC’s mission, goals, and culture

  • An active Secret U.S. Security Clearance is required, TS-SCI preferred

  • Current/ valid passport and be able to obtain a visa to travel internationally

  • Satisfaction of minimum health standards for DoD deployment Now use: Ability to meet current DoD and Combatant Command pandemic restriction requirements for deployed locations

  • Ability to deploy to austere environments for a minimum of 90 days to various OCONUS operating locations

  • Must be willing and able to work extended hours, holidays and shift schedules as required


  • Familiarity with Network File Systems (NFS, GPFS, Lustre, Samba, CIFS)

  • Experience with DoD Software, Security, and Accreditation policies and tools

  • Windows 10 systems administration experience required

  • Cisco knowledge (Cisco CCNA/CCNP preferred)

  • Hands-on expertise with a wide variety of network related tools, concepts, technologies, best practices and security procedures

  • Hands-on expertise with network hardware, protocols (DNS, DHCP, IP, TCP, UDP, Multicast Streaming), and media including but not limited to Fiber Optics, UTP, Wireless, Cisco, Microsoft, Linux, VMWare, or other technical certifications a plus

  • Provide Tier 1 Technical Support and troubleshooting at forward deployed locations, providing real time expertise to maintain mission OPTEMPO

  • Support timely installation of routine and ad hoc system and security updates

  • Support configuration management of systems/environments in accordance with documented processes

  • Support the deployment of system upgrades to include technical refresh of systems, or the technical insertion of major hardware/software upgrades


This position requires current/active Secret U.S. Security Clearance. U.S. Citizenship status is required as this position needs an active U.S. Security Clearance for employment. Non-US citizens may not be eligible to obtain a security clearance.  The Department of Defense Consolidated Adjudications Facility (DoD CAF), a federal government agency, handles the adjudicative aspects of the security clearance eligibility process for industry applicants. Adjudicative factors which affect the outcome of the eligibility determination include, but are not limited to, allegiance to the US, foreign influence, foreign preference, criminal conduct, security violations and illegal drug use.

At Sierra Nevada Corporation (SNC) we deliver customer-focused technology and best-of-breed integrations in the aerospace and defense sectors. SNC has been honored as one of the most innovative U.S. companies in space, a Tier One Superior Supplier for the U.S. Air Force, and as one of America’s fastest-growing companies. Learn more about SNC

SNC offers a generous benefit package, including medical, dental, and vision plans, 401(k) with 150% match up to 8%, life insurance, 3 weeks paid time off, tuition reimbursement, and more.

Sierra Nevada Corporation is an Equal Opportunity Employer

– Minority / Female / Disability / Veteran, or any other protected status

pursuant to applicable local, state or federal law, ordinance or regulation.