Tier III O&M Network Engineer

Chantilly, VAFull-time$150k–$254kPosted Jul 16, 2026

Job Description
BAE Systems, a top ten prime contractor to the U.S. Department of Defense, enables the U.S. government to transform data into intelligence and provides engineering, integration and sustainment support for critical military platforms and systems. Intelligence & Security provides services and products to the Department of War, the intelligence community, federal law enforcement officials, and troops deployed around the world. At BAE Systems, we promote a strong, collaborative culture and provide our employees with the tools, skills and training they need to succeed.
We are looking for a Senior Network Engineer to support an IC program delivering network support to the customer’s various wide area networks (WANs) and local area networks (LANs). This position will provide routing to an enterprise level infrastructure across multiple classifications and act as subject matter experts in routing technologies across multiple vendors.

The Senior Network Engineer responsibilities will include:
  • Responsibility for the Multiprotocol Label Switching (MPLS) Wide Area Network (WAN) overall architecture
  • Developing MPLS WAN services solution
  • Performing lab equipment evaluation, integration, and testing
  • Assisting with the security accreditation process
  • Developing and maintaining relevant technical documentation.
  • On as-needed basis, the engineer will also be responsible for supporting Tier-4 production troubleshooting and developing pro-active network analysis solution for the operations team.
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Required Education, Experience, & Skills
  • Must have 16 years of experience that can be a combination of work history and education. This equates to a Doctorate and 8 years, master’s and 10 years, bachelor’s and 12 years, associates and 14 years or HS diploma and 16 years.
  • Must be compliant with DoD 8140 Information Assurance Technical (IAT) Level 2.
  • Experience with configuring and troubleshooting Juniper and Cisco routers and switches.
  • Experience with protocols such as OSPF, BGP, VPN’s, VRF’s, MPLS.
  • Understanding of routing, switching, Internet Protocol (IP) subnet, Network Address Translation (NAT) and security technologies.
  • Demonstrated ability to engineer and modify rulesets to allow connectivity for new customer requirements.
  • Demonstrated ability to read, understand, and develop schematic diagrams, technical manuals, and documentation such that the supported equipment and software can be maintained with minimal training.
  • Working knowledge of Service Now or similar IT Service Management (ITSM) products.
  • Intermediate-level knowledge of MS Office products Word, Excel, PowerPoint, and Visio.
  • Ability to represent the team and deliver status reports to internal and external leadership.
  • Excellent organizational and follow through skills.
  • Strong communication (written and verbal) skills.
  • Detail oriented with problem-solving skills.


Preferred Education, Experience, & Skills
  • Not required but experience with Palo Alto, Cisco Adaptive Security Appliance (ASA), and Forcepoint firewall equipment and applications is a plus.


Pay Information
Full-Time Salary Range: $149603 - $254317

Please note: This range is based on our market pay structures. However, individual salaries are determined by a variety of factors including, but not limited to: business considerations, local market conditions, and internal equity, as well as candidate qualifications, such as skills, education, and experience.

Employee Benefits: At BAE Systems, we support our employees in all aspects of their life, including their health and financial well-being. Regular employees scheduled to work 20+ hours per week are offered: health, dental, and vision insurance; health savings accounts; a 401(k) savings plan; disability coverage; and life and accident insurance. We also have an employee assistance program, a legal plan, and other perks including discounts on things like home, auto, and pet insurance. Our leave programs include paid time off, paid holidays, as well as other types of leave, including paid parental, military, bereavement, and any applicable federal and state sick leave. Employees may participate in the company recognition program to receive monetary or non-monetary recognition awards. Other incentives may be available based on position level and/or job specifics.


About BAE Systems Intelligence & Security
BAE Systems, Inc. is the U.S. subsidiary of BAE Systems plc, an international defense, aerospace and security company which delivers a full range of products and services for air, land and naval forces, as well as advanced electronics, security, information technology solutions and customer support services. Improving the future and protecting lives is an ambitious mission, but it’s what we do at BAE Systems. Working here means using your passion and ingenuity where it counts – defending national security with breakthrough technology, superior products, and intelligence solutions. As you develop the latest technology and defend national security, you will continually hone your skills on a team—making a big impact on a global scale. At BAE Systems, you’ll find a rewarding career that truly makes a difference.

Intelligence & Security (I&S), based in McLean, Virginia, designs and delivers advanced defense, intelligence, and security solutions that support the important missions of our customers. Our pride and dedication shows in everything we do—from intelligence analysis, cyber operations and IT expertise to systems development, systems integration, and operations and maintenance services. Knowing that our work enables the U.S. military and government to recognize, manage and defeat threats inspires us to push ourselves and our technologies to new levels.

This position will be posted for at least 5 calendar days. The posting will remain active until the position is filled, or a qualified pool of candidates is identified.

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