Systems Engineer-IT Sr - Level 3 (Secret)

Posted 3 Hours Ago
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Littleton, CO, USA
In-Office
96K-178K Annually
Senior level
Aerospace • Security • Cybersecurity • Industrial
The Role
Supports classified IT infrastructure through Windows/Linux administration, network and data-storage maintenance, system patching, scripting, and user support. Configures Cisco switches, CUCM, Juniper firewalls, AWS and Azure networking services, and TACLANEs. Performs systems integration, requirements analysis, verification, validation, and technical planning. The role also supports network troubleshooting, system hardening, multi-site architectures, and special-event coverage while collaborating with classified network operations teams.
Summary Generated by Built In
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.

Skills Required

  • Active Secret clearance with ability to obtain Top Secret clearance
  • U.S. citizenship
  • Configuration and management experience with Cisco switches and CUCM
  • Configuration and management experience with Juniper firewalls
  • Proficiency with AWS and Azure networking services
  • At least five years of experience with TACLANEs, including KG175, KG250, or KG255
  • Knowledge of the OSI model, IP addressing, and subnetting
  • At least five years of experience supporting and resolving network-related issues
  • Ability to communicate effectively with classified network operations team members
  • Current CompTIA Security+ or another DoD 8570.01 certification, or ability to obtain certification
  • Customer-focused support and stakeholder relationship-building skills
  • Ability to lift 30 pounds
  • Ability to support 24/7 coverage during special events
  • Willingness to travel to CONUS locations
  • Knowledge of DISA STIGs and system hardening methods
  • Knowledge of narrowband and wideband satellite communications
  • Experience supporting multisite architectures
  • Juniper JNCIA or JNCIS, or Cisco CCNA certification
  • Experience configuring and troubleshooting LAN and WAN connections
  • Experience creating and updating network diagrams using Microsoft Visio or Draw.io

Lockheed Martin Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Lockheed Martin and has not been reviewed or approved by Lockheed Martin.

  • Retirement Support — Retirement benefits are described as a standout element, with a strong 401(k) program and options like an employee stock purchase plan. Feedback suggests these features meaningfully enhance total compensation and long‑term financial security.
  • Healthcare Strength — Healthcare coverage is portrayed as comprehensive from day one, with multiple plan options, mental health resources, and virtual care. Wellness supports such as on‑site services and preventive programs are also highlighted.
  • Flexible Benefits — Work arrangements often include compressed schedules and telework, contributing to a favorable work‑life balance. Feedback suggests this flexibility is a key reason many view the overall package positively.

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The Company
HQ: Bethesda, MD
108,588 Employees
Year Founded: 1912

What We Do

Customer Focus, Innovation and Purpose are Built Into Everything We Do. Lockheed Martin. Your Mission is Ours ™. Headquartered in Bethesda, Maryland, Lockheed Martin is a global security and aerospace company principally engaged in the research, design, development, manufacture, integration and sustainment of advanced technology systems, products and services.

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