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

Job ID: 731230BR Date posted: Jul. 07, 2026
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.

#EBDT
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
Security Clearance Statement: This position requires a government security clearance, you must be a US Citizen for consideration.
Clearance Level: 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
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: ENTERPRISE BUSINESS SERVICES
Relocation Available: Possible
Career Area: Information Technology
Type: Full-Time
Shift: First