Network Engineer

Industry

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

Knackworks, a Jacobs Company, has an opening for a Network Engineer to support our government customer’s global enterprise networks.

Qualifications:

• The Tier II network field technician will support the installation and maintenance of the client LAN/WAN devices.
• Respond to and resolve incidents, demonstrate troubleshooting skills and communicate with the team.
• Complete assigned tasks within Service Level Objectives/Agreements (SLOs/SLAs).
• Draft and implement standard network change requests.
• Provide support to Tier III network engineers for incident management and projects (site surveys, TEMS, coordinate and install new equipment).
• Perform configuration management functions such as update topology drawings, ensure asset management records are accurate, and conduct inventory.
• Coordinate network operations, maintenance, repairs, or upgrades. (Knowledge of CISCO/Juniper RMA process).
• Layer 1 network experience (CAT5/6, SM/MM Fiber, Serial cables, SFP).
• Layer 2 network experience (ability to configure/troubleshoot switches/routers, MAC addresses, VLANs, port security, applying thin and thick configs.
• Layer 3 network experience (subnetting, familiar with protocols such as OSPF, BGP, HSRP, MPLS, LSP, GRE)
• Configure and troubleshoot layer 2 switching (VLAN’s, Port Security, Thin Configs).
• Perform IOS upgrades for Cisco, Juniper, Brocade and Foundry OS.
• Experience with Visio.
• Familiar with ServiceNow and Confluence.
• May have up to 10% COMSEC responsibilities based on site and team needs.

Here's what you'll need

Required Clearance; TS/SCI CI

• Candidate must have 8 years of experience that can be a combination of work history and education. This equates to a Doctorate and 2 years, master’s and 3 years, bachelor’s and 4 years, associates and 6 years or HS diploma and 8 years. Additional required qualifications include: Compliance with Department of Defense (DoD) 8140 Information Assurance Technical (IAT) Level 2.
• Additional required qualifications include:
• Available to travel up to 20% of the time.
• Available to work flexible hours, to include weekend support.
• Ability to work independently and in a collaborative environment.

Posted Salary Range: Minimum

90,000.00

Posted Salary Range: Upper

115,000.00

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 $90,000.00 to $115,000.00. 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 July 02, 2026. 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