Pilot In Command
leidos
Sr. Core Network Engineer
leidos· 00100 LEIDOS, INC.
About this role
Leidos has an opening for Sr. CORE Network Engineer to support our government customers’ global enterprise networks. Network Architecture provides solutions for modernizing the network components while supporting service delivery for customer requirements in a mission-focused operational enterprise. Additionally, the candidate must have experience with hands-on router engineering and/or operation.
- 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.
Basic Requirements
- Required Clearance: TS/SCI with Poly
- Candidate 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.
If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.
Original Posting:
July 21, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Pay Range:
Pay Range $92,300.00 - $166,850.00The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
Frequently Asked Questions
What is the salary for the Sr. Core Network Engineer role at leidos?
The listed salary for this Sr. Core Network Engineer position at leidos is USD 92K–167K. This is an Full time role.
Where is the Sr. Core Network Engineer position at leidos located?
This Sr. Core Network Engineer role at leidos is based in Chantilly, VA. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Sr. Core Network Engineer role at leidos full-time or part-time?
This is listed as a Full time position. It is posted as a Sr. Core Network Engineer role in the 00100 LEIDOS, INC. department at leidos.
Which team or department does the Sr. Core Network Engineer at leidos belong to?
This Sr. Core Network Engineer position is part of the 00100 LEIDOS, INC. department at leidos. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Sr. Core Network Engineer position at leidos?
Click the "Apply Now" button on this page. You will be redirected to leidos's official application portal hosted on workday where you can submit your application directly.
When was the Sr. Core Network Engineer job at leidos posted?
This Sr. Core Network Engineer position at leidos was posted on Jul 21, 2026. Apply as soon as possible — early applications are often reviewed first.
Sr. Core Network Engineer
leidos · 💰 USD 92K–167K
You'll be redirected to leidos's official application page on Workday.