Network Engineer - IT, Sr / Cleared / Onsite - Manassas/Herndon

Posted 2 Hours Ago
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Manassas, VA, USA
In-Office
96K-178K Annually
Senior level
Aerospace • Security • Cybersecurity • Industrial
The Role
Supports classified and unclassified network infrastructure across Lockheed Martin campuses and remote facilities. Installs, configures, maintains, and troubleshoots Cisco or Brocade switches, routers, wireless networks, firewalls, and Type 1 encryption systems. Performs vulnerability remediation, network monitoring, break/fix support, upgrades, documentation, and project work. Provides technical solutions, coaching, and knowledge transfer while supporting on-site operations, off-shift work, weekends, and a 24/7 on-call rotation.
Summary Generated by Built In
Standard Job Description

This position is within the Lockheed Martin Enterprise Business and Digital Transformation (EBDT) Classified IT Transformation organization. It is chartered with transforming IT delivery to Classified programs and environments. If you are looking for your next challenge in a fast- paced, innovation-oriented group, look no further!
Lockheed Martin recognizes the tremendous opportunity for significant advancement in the way Classified IT services are delivered to our Business Area partners. These improvements will ultimately enable Lockheed to build better products faster in support US Department of Defense mission. In acknowledgement of this opportunity, the Classified Transformation organization and leadership structure have been put in place, along with significant investment to drive positive changes to both transform and standardize Classified IT delivery.
Lockheed Martin is seeking a driven and dedicated team member to support both Manassas and Herndon Lockheed Martin locations. Your experience and expertise will contribute to information technology with a growth mindset mentality, and willingness to learn and acquire skills over time. Your support of the customer demonstration and Lab environment will not only be your greatest asset, but ours as well. You will be a key contributor, providing coaching and knowledge transfer to other team members to assist with skill building over time.
The selected candidate will join the Classified IT Transformation team, as a Network Administrator ensuring that the Lockheed Martin networks and IT systems are managed, controlled, and updated in a manner consistent with Lockheed Martin policies and procedures. This includes supporting routine updates, major upgrades, and on-going maintenance and support of the network switches, wireless network and LAN routers including both Classified and Unclassified networks.
Overall responsibilities include but are not limited to:
The support of Type 1 encryption systems and performance monitoring of the classified network infrastructure, supporting break/fix incidents and supporting various project work within both campuses and remote facilities. Position includes the remediation of vulnerabilities by adhering to customer operating regulations, best practices with supporting documentation of all managed and controlled network assets.
This role utilizes troubleshooting skills to provide timely and effective solutions to problems as well as developing technical solutions to complex problems which require consistent use of ingenuity and creativity.
All work must be performed on-site, including some off-shift hours, weekends, and occasional travel. The position works a 4x10 schedule (Mon-Thurs) but will also support a 24 X 7 weekly on-call rotation schedule.


Designs and plans network communications systems. Provides specifications and detailed schematics for network architecture. Provides specific detailed information for hardware and software selection, implementation techniques and tools for the most efficient solution to meet business needs, including present and future capacity requirements. Conducts testing of network design. Maintains technical expertise in all areas of network and computer hardware and software interconnection and interfacing, such as routers, multiplexers, firewalls, hubs, bridges, gateways, etc. Evaluates and reports on new communications technologies to enhance capabilities of the network.

Basic Qualifications

Hands on exposure and experience related to networking and fault isolation
Installation and configuration of Cisco and/or Brocade network switches and routers
Hands on experience with routing and switching
Hands-on experience and knowledge of Type 1 network encryption
Candidate must have a minimum of 3 years’ experience supporting network infrastructure
Familiarity with TCP/IP, IP configuration, peer-to-peer networking and IP addressing and subnetting.
Must be able to lift 35 pounds
Must be able to walk and stand for extended periods of time
Knowledge of Cat5/6 wiring
The ability to lead projects to completion
Candidate must be able to support a rotational 24x7 on-call support model with the ability to be on site within one hour
Knowledge of DoD security standards, policies, and procedures
TS/SCI eligible

Desired Skills

TS/SCI Cleared
CCNA and/or CCNP certification
Experience with DoD SIPRNet
General Dynamics TACLANE NSA Type 1 Encryptor experience
Knowledge of the National Industrial Security Program Operating Manual (NISPOM), JFAN and JSIG
Installation and configuration firewall experience
Proven excellent written and verbal communications skills
Candidate should have the ability to successfully work autonomously

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

  • Hands-on networking and fault isolation experience
  • Installation and configuration experience with Cisco and/or Brocade network switches and routers
  • Hands-on routing and switching experience
  • Hands-on knowledge of Type 1 network encryption
  • At least 3 years of network infrastructure support experience
  • Familiarity with TCP/IP, IP configuration, peer-to-peer networking, IP addressing, and subnetting
  • Ability to lift 35 pounds
  • Ability to walk and stand for extended periods
  • Knowledge of Cat5/6 wiring
  • Ability to lead projects to completion
  • Ability to support a rotational 24/7 on-call model and arrive on site within one hour
  • Knowledge of DoD security standards, policies, and procedures
  • TS/SCI eligibility
  • Active TS/SCI clearance
  • CCNA and/or CCNP certification
  • Experience with DoD SIPRNet
  • General Dynamics TACLANE NSA Type 1 Encryptor experience
  • Knowledge of NISPOM, JFAN, and JSIG
  • Firewall installation and configuration experience
  • Excellent written and verbal communication skills
  • Ability to work autonomously

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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