System Engineer-IT-Clearance Required

Job ID: 732882BR Date posted: Jul. 07, 2026
Description: Who We Are:
At C2 Ground, we are a diverse group of programs unified in our mission to support various customers and capabilities within the Command and Control Domain. As a "Family of Programs" we deliver a wide range of hardware and software solutions that provide mission-critical capabilities to our customers.

Our software products focus on key areas such as Tasking, Processing, Exploitation, and Dissemination (TPED), Communications, and Mission Planning Applications, while our hardware products include customizable and transportable mobile ground shelters and mission equipment designed to thrive in diverse environments and climates.

What We Do:
At C2 Ground, we harness advanced technologies to deliver and maintain mission-relevant capabilities for our customers. We utilize a range of innovative tools and methodologies, including the Scaled Agile Framework (SAFe), Atlassian Tool Suite, and DevSecOps, to ensure consistent value delivery, effective collaboration, and security-centric development.

Additionally, we leverage Model-Based Engineering and Test Automation to enhance our system architecture, design, and testing processes. By embracing these cutting-edge technologies, we are able to rapidly develop, test, and deploy high-quality solutions that meet the evolving needs of our customers.

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 with Investigation or CV date within 5 years
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 our Paid Time off benefits.
Schedule for this Position: 4x10 hour day, 3 days off per week
Pay Rate: The annual base salary range for this position in California, Massachusetts, and New York (excluding most major metropolitan areas), Colorado, Hawaii, Illinois, Maryland, Minnesota, New Jersey, Vermont, Washington or Washington DC is $85,500 - $150,765. For states not referenced above, the salary range for this position will reflect the candidate’s final work location. Please note that the salary information is a general guideline only. Lockheed Martin considers factors such as (but not limited to) scope and responsibilities of the position, candidate's work experience, education/ training, key skills as well as market and business considerations when extending an offer.
Benefits offered: Medical, Dental, Vision, Life Insurance, Short-Term Disability, Long-Term Disability, 401(k) match, Flexible Spending Accounts, EAP, Education Assistance, Parental Leave, Paid time off, and Holidays.
(Washington state applicants only) Non-represented full-time employees: accrue at least 10 hours per month of Paid Time Off (PTO) to be used for incidental absences and other reasons; receive at least 90 hours for holidays. Represented full time employees accrue 6.67 hours of Vacation per month; accrue up to 52 hours of sick leave annually; receive at least 96 hours for holidays. PTO, Vacation, sick leave, and holiday hours are prorated based on start date during the calendar year.
This position is incentive plan eligible.
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.
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 you are unsure whether your experience aligns with the requirements of this position, we encourage you to search on Lockheed Martin Jobs, and apply for roles that align with your qualifications.
Experience Level: Experienced Professional
Business Unit: RMS
Relocation Available: Possible
Career Area: Information Technology
Type: Full-Time
Shift: First