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System Engineer-IT

Remote / Online - Candidates ideally in
Littleton, Arapahoe County, Colorado, 80161, USA
Listing for: Lockheed Martin Corporation
Remote/Work from Home position
Listed on 2026-07-01
Job specializations:
  • IT/Tech
    Systems Administrator, Systems Engineer, Cybersecurity, Unix/Linux
Job Description & How to Apply Below
Job 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

EEO

Lockheed Martin is an equal opportunity employer. Qualified candidates will be considered without regard to legally protected characteristics.
The application window will close in 90 days; applicants are encouraged to apply within 5 - 30 days of the requisition posting date in order to receive optimal consideration.

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At Lockheed Martin, we use our passion for purposeful innovation to help keep people safe and solve the world's most complex challenges. Our people are some of the greatest minds in the industry and truly make Lockheed Martin a great place to work.

With our employees as our priority, we provide diverse career opportunities designed to propel, develop, and boost agility. Our flexible schedules, competitive pay, and comprehensive benefits enable our employees to live a healthy, fulfilling life at and outside of work. We place an emphasis on empowering our employees by fostering an inclusive environment built upon integrity and corporate responsibility.

If this sounds like a culture you connect with, you're invited to apply for this role. Or, if…
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