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Systems Engineer-IT Sr - Level 3 (Secret)

Lockheed Martin

Littleton, COFull-time$96–178K/yrSeen todaySeen in employer's feed today

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At a glance

Compensation
$96–178K/yr
Location
Littleton, CO
Schedule
Full-time
Work Authorization
US work authorization required

Olive lists jobs from US employers, including remote roles you can work from the United States.

Requirements

Credentials this posting asks for.

CompTIA Security+ Or DoD 8570.01 CertificationTop Secret clearance

Job overview

Lockheed Martin Space seeks a Systems Engineer-IT for an Agile team supporting IT infrastructure in the Whiskey Program Area. The role involves systems administration, networking, hardware, and broader systems engineering work, including system integration and analysis. The selected candidate must be a U.S. citizen, hold an active Secret clearance, and be able to obtain Top Secret clearance; the position is at a facility requiring special access.

Skills & qualifications

RequiredNice to have

Skills

Cisco SwitchesCUCMJuniper FirewallsAWS NetworkingAzure NetworkingTACLANEsOSI ModelIP AddressingSubnettingNetwork TroubleshootingCommunicationCustomer SupportRelationship BuildingRequirements CommunicationNetwork Operations24/7 CoverageTravelDISA STIGsHardening MethodsSatellite CommunicationsMulti-Site ArchitectureJNCIA/JNCISCCNALAN/WAN ConfigurationLAN/WAN TroubleshootingMicrosoft VisioDraw.ioNetwork DiagrammingLifting 30 Pounds

Qualifications

Active Secret ClearanceTop Secret Clearance Eligibility5+ Years TACLANE Experience5+ Years Network Support ExperienceCompTIA Security+ or DoD 8570.01 CertificationU.S. Citizenship

Benefits

Medical Insurance
Dental Insurance
Vision Insurance
401(k) Match
Paid Time Off
Parental Leave
Tuition Assistance

Full job description

Standard Job Description

The coolest jobs on this planet… or any other… are with Lockheed Martin Space.

At the dawn of a new space age, Lockheed Martin is a pioneer, partner, innovator and builder. Our amazing people are on a mission to make a difference in the world and every day we use our unique skills and experiences to create, design and build solutions to some of the worlds’ hardest engineering problems. Our culture encourages employees to dream big, perform with excellence and create incredible products. We provide the resources, inspiration and focus and if you have the passion and courage to dream big, we want to build a better tomorrow with you.

The Space Security Division within Lockheed Martin Space’s Mission Solutions business area is seeking a talented and dedicated Systems Engineer-IT to become a member of an Agile team focused on IT Infrastructure (Systems Administration, Networking, & Hardware) in the Whiskey Program Area.

Are you a Systems Admin looking for something different? In this role you will:

  • Have access to growth opportunities where you can make a difference to a very important mission.

  • Join one of the Whiskey portfolio's Agile (scrum) Systems Admin teams.

  • Be involved in Windows or Linux system administration

  • Using scripts to automate server administration and deployment

  • Complete system patching

  • Support user interactions

  • Design new capabilities

  • Maintain networks and data storage to ensure maximum up-time for development and operations

  • Demonstrate your great work ethic, communication skills, creativity and problem-solving skills to make a lasting difference.

Selected candidate must be a US Citizen. . This position will require obtaining a government security clearance. This position is located at a facility that requires special access.

The information below reflects the standard job description for this position: ****

Performs technical planning, system integration, verification and validation, cost and risk, and supportability and effectiveness analyses for total systems, and information technology related responsibilities including design, development, and analysis of computer systems or programs based on and related to user or system design specifications; applying systems analysis techniques and procedures, including consulting with users to determine hardware, software, or system functional specifications. Analyses are performed at all levels of total system product to include: concept, design, fabrication, test, installation, operation, maintenance and disposal. Ensures the logical and systematic conversion of customer or product requirements into total systems solutions that acknowledge technical, schedule, and cost constraints. Performs functional analysis, timeline analysis, detail trade studies, requirements allocation and interface definition studies to translate customer requirements into hardware and software specifications.

Basic Qualifications

  • Active Secret Clearance (with ability to obtain Top Secret Clearance)

  • Experience with configuration and management of Cisco switches and CUCM

  • Experience with configuration and management of Juniper firewalls

  • Proficiency with AWS and Azure networking services

  • Minimum 5 years’ experience with TACLANEs (IE: KG175s/ KG250 / KG255)

  • Confident in OSI model, IP addressing and subnetting

  • 5+ years’ experience supporting and resolving network related issues

  • Ability to effectively communicate with other Classified Network Operations team members

  • Current CompTIA Security+ (or other DoD 8570.01) Certification (or ability to obtain certification)

  • Demonstrated ability to provide customer focused support building strong relationships with customers, key stakeholders, clearly communicating requirements.

  • US Citizenship

  • Candidate must be able to lift 30 pounds

Desired Skills

  • Ability to support 24/7 coverage during special events

  • Willingness to travel to CONUS locations

  • General knowledge of DISA STIGs and hardening methods

  • General knowledge of narrow and wideband satellite communications (FEPs, Modems, Framing)

  • Experience with support multi-site architecture

  • Juniper JNCIA/JNCIS Certification or Cisco CCNA

  • Experience with configuring and troubleshooting LAN and WAN connections

  • Ability to create and update network diagrams using Microsoft Visio and/or Draw.io

Pay Information

Full-Time Salary Range: $95900.00 - $178100.00

At Lockheed Martin, we know mission success starts with taking care of our people. Our Total Rewards program is designed to attract top talent, support your well-being, and help you grow—both professionally and personally.

The salary range for this position is as listed on the requisition. Please note that the salary information listed 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(work location) and business considerations when extending an offer.

Benefits offered: Medical, Dental, Vision, Flexible work arrangements and schedules (e.g., 4x10), 401(k) match, Paid time off, Holidays, Parental Leave, EAP, Flexible Spending Accounts, Education Assistance, Life Insurance, Short-Term Disability, and Long-Term Disability.

  • Annual short-term and/or long-term incentive compensation programs may be offered depending on the position. Payments under these annual programs are not guaranteed and can vary from year to year and are tied to a range of performance metrics.

  • For (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.

Lockheed Martin is an equal opportunity employer. Qualified candidates will be considered without regard to legally protected characteristics.

How this job compares

Set against the 11,502 open Systems Engineer jobs on Olive Jobs, counted November 4, 2026.

Pay
  • This posting$96–178K/yr
  • Colorado median$115–178K/yr920 salary ranges
  • US median$116–190K/yr8,484 salary ranges

This range's midpoint, $137K, is 7% below the Colorado median midpoint ($148K) — in the middle half of Systems Engineer salary ranges in Colorado.

Openings
Olive Jobs lists 1,065 open Systems Engineer jobs in Colorado and 11,502 across the US. 5% of them nationwide are listed as remote or flexible.
Hiring the most in Colorado
Experience
This posting asks for at least 5 years of experience; Systems Engineer postings that state a minimum ask for 5 years at the median (9,604 postings).
Education
4,559 of the 11,502 open Systems Engineer jobs (40%) ask for a bachelor's degree or higher.

Counted across the open, public US postings on Olive Jobs on November 4, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.

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