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System Engineer-IT Security Clearance
Remote / Online - Candidates ideally in
Littleton, Arapahoe County, Colorado, 80120, USA
Listed on 2026-06-14
Littleton, Arapahoe County, Colorado, 80120, USA
Listing for:
Lockheed Martin
Full Time, Remote/Work from Home
position Listed on 2026-06-14
Job specializations:
-
Engineering
Cybersecurity, Systems Engineer -
IT/Tech
Cybersecurity, Systems Engineer
Job Description & How to Apply Below
Job Number 731263
Description:
WHAT WE'RE DOING Join the RMS Signal Reconnaissance program and help deliver clear, secure communications for EMC2 customer missions. In this position you will work on Windows and Linux systems, providing day-to-day administration and supporting network infrastructure. This is your opportunity to challenge yourself to make a difference in the world and every single day we use our skills and experiences to create, design and build solutions to some of the world's hardest engineering problems for the RMS Signal Reconnaissance program.
You'll be guided by senior engineers while gaining hands-on experience with the technologies that protect our nation's information advantage. THE WORK As a Senior System Engineer-IT, you will:
• Duties primarily focused on Linux/Unix administration, but also include Windows system administration and Network Engineering/administration for classified systems
• Typical duties: managing Linux systems backups; configuration management services; system patching; network and system monitoring; system diagnosis, troubleshooting and repair; tech refresh and upgrades; technical meetings; maintaining, configuring, and updating baseline configurations per Risk Management Framework requirements. Maintain and conduct user management within both Linux and Windows environments.
• Support system and network infrastructure upgrades and reconfiguration projects
• Support lead System Engineer Why Join Us? Your Health, Your Wealth, Your Life Our flexible schedules, balance of in office and at home work, competitive pay and comprehensive benefits enable you to live a healthy, fulfilling life at and outside of work. Check out our beautiful facility online, search 'Lockheed Martin Deer Creek Facility in Littleton CO'.
Basic Qualifications:
• Linux/UNIX experience in small to medium development environments
• Ability to obtain and maintain a DoD Top Security Clearance
• Familiarity with configuring and administering VMs (Virtualization) within VMWare/Microsoft Hyper-V
• Shell scripting experience
• Demonstrated system administrator experience, including administration and configuration of STIG security policies for Windows servers and workstations
• Demonstrated skills and abilities to manage a lab environment including the maintenance and upkeep of hardware and the installation and/or upgrading of system software
• Understand modern networking concepts and technologies Desired
Skills:
• DoD IAT Level II certification (e.g., Security+, CySA+, CCNA Security, etc.)
• System administration experience, including administration and configuration of STIG security policies for Linux/Unix servers and workstations
• Familiarity with configuring VMs (Virtual Machine)
• Practical experience in the design, implementation, configuration, and maintenance of enterprise classified network computing infrastructure including but not limited to:
Ethernet switches, routers, firewalls, IPS/IDS, and physical switching systems
• Experience in the application of STIG settings to network computing infrastructure
• Be self-motivated, responsible and accountable, highly reliable, and focused on mission success Security Clearance Statement:
This position requires a government security clearance, you must be a US Citizen for consideration. Clearance Level: Top Secret Other Important Information You Should Know Expression of Interest:
By applying to this job, you are expressing interest in this position and could be considered for other career opportunities where similar skills and requirements have been identified as a match. Should this match be identified you may be contacted for this and future openings. Ability to Work Remotely: Onsite Full-time:
The work associated with this position will be performed onsite at a designated Lockheed Martin facility. Work Schedules:
Lockheed Martin supports a variety of alternate work schedules that provide additional flexibility to our employees. Schedules range from standard 40 hours over a five day work week while others may be condensed. These condensed schedules provide employees with additional time away from the office and are in addition to…
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