Network Engineer

National Security & Defense At Jacobs, we're challenging today to reinvent tomorrow by solving the world's most critical problems for thriving cities, resilient environments, mission-critical outcomes, operational advancement, scientific discovery and cutting-edge manufacturing, turning abstract ideas into realities that transform the world for good.

Your impact

Knack Works, a Jacobs Company, has an opening for a Network Engineer (Campus Area Network/Local Area Network (CAN/LAN)) to support our government customer’s global enterprise networks. The CAN/LAN service network architecture provides solutions for modernizing network components while supporting service delivery for customer requirements in a mission-focused operational enterprise. Our team is completely replacing a global enterprise network while providing design, engineering, and transition for a wide range of customer network requirements. This is a unique and rare opportunity to build and transition critical operations to a modern service provider network architecture.

The job duties of the Network Engineer (CAN/LAN) are as follows:

* Interpret customer requirements and apply standard design approaches for service delivery. Fully document designs with diagrams, bill of materials, cabling sheets, configurations, and other supporting documents.

* Use our private test lab to evaluate new technologies and capabilities, test proposed changes to production networks, and recreate troubleshooting scenarios to support the production enterprise network.

* Schedule maintenance windows for migrating user connections from legacy to the modern infrastructure transition services with little to no impact on critical data flows.

* Provide technical expertise to Operations engineers and technicians, supporting fault isolation and resolution. Solve tough problems with innovative and scalable solutions.

* Develop secure network designs including configurations that align with Defense Information Security Agency (DISA) Security Technical Implementation Guides (STIGs) and enterprise policies. Obtain Authority to Operate (ATO) for new devices, software, and capabilities.

* Supervise (not manage) other network support specialists to plan, coordinate, and implement network services.

* Develop and improve design products, processes, and systems for our team to work efficiently and effectively.

* Although this position is focused on CAN/LAN, this opportunity offers the ability to learn and work on Multiprotocol Label Switching (MPLS) Wide Area Networks (WANs).

Requirements

Required Clearance: TS/SCI CI Poly

Candidate must have 10 years of experience that can be a combination of work history and education. This equates to a Doctorate and 3 years, master’s and 4 years, bachelor’s and 6 years, associates and 8 years or HS diploma and 10 years. Required qualifications include the following:

* Must be compliant with DoD 8570 Information Assurance Technical (IAT) Level 2 (Security+ CE)

* Experience specific to network engineering to include Tier III or higher network operations and/or network design and implementation.

* Prior responsibility for production network hardware configurations for Cisco, Brocade, and/or Juniper.

* Hands-on experience implementing and troubleshooting standard routing protocols in a production network, such as Open Shortest Path First (OSPF) or Border Gateway Protocol (BGP).

* Hands-on experience implementing and troubleshooting standard switching and trunking protocols in a production network, such as Virtual Local Area Networks (VLANs), 802.1q, and port-channels.

Here's what you'll need

* Network engineering and design experience specific to CAN/LAN. Experience should include application of industry standards, developing configurations, and integration of solutions into production environments.

* Network engineering and design experience with MPLS WANs, network management tools, and firewalls.

* Expert knowledge of routing and switching protocols and the ability to demonstrate knowledge through briefings and documentation. Extensive BGP experience a plus.

* Cisco Certified Network Professional (CCNP) or equivalent knowledge.

* Initiative and disciplined to work unsupervised as part of a network engineering team. Experience establishing process, developing documents, and organizing repositories a plus.

Posted Salary Range: Minimum

170,000.00

Posted Salary Range: Upper

200,000.00

Our health and welfare benefits are designed to invest in you, and in the things you care about. Your health. Your well-being. Your security. Your future. Employees have access to medical, dental, vision, and basic life insurance, a 401(k) plan, paid time off, and Profit-Sharing Plan (PSP) which includes both PSP contributions and an optional 401(k) plan (available immediately (i.e., no deferment or wait period), and the ability to purchase company stock at a discount. Eligible employees may also enroll in a deferred compensation plan or the Executive Deferral Plan. And certain roles may be eligible for additional rewards, including merit increases, performance discretionary bonus, and stock.

The base salary range for this position is $170,000.00 to $200,000.00. Within the range, individual pay is determined by work location and additional factors, including job-related skills, experience, and relevant education or training.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status. Job posted on November 06, 2025. This position will be open for at least 3 days.

Onsite employees are expected to attend a Jacobs Workplace on a full-time basis, as required by the nature of their role.

Your application experience is important to us, and we’re keen to adapt to make every interaction even better. If you require further support or reasonable adjustments with regards to the recruitment process (for example, you require the application form in a different format), please contact the team via Careers Support .

Locations

City State Country
Chantilly	Virginia	United States