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$131k–$237k/yr
Full-time
bachelor degree, postgraduate degree
Competitive Compensation, Health And Wellness Programs, Income Protection, Paid Leave, Retirement
Posted 39d ago
~40 hrs/week
Responsibilities
Responsible for the design, implementation, and maintenance of LAN, WAN, and Datacenter environments. Leads teams of engineers to execute network consolidation, integration, and architecture updates.
Requirements
Requires an active Top Secret/SCI clearance with Poly and extensive experience in Layer 2/3 configuration and routing protocols. A Bachelor's degree with 12+ years of experience, or equivalent professional experience, is required.
Full job description
Leidos is looking for a Senior Network Engineer to be part of a team responsible for the design, migration, implementation, enhancement, optimization and maintenance of LAN/DATACENTER/WAN.
This position will work with engineers on various technical projects. This could include but not limited to network consolidation and integration, architecture designs and updates, site renovations and relocations.
Primary Responsibilities:
Provide technical expertise and assist with network integration and consolidation efforts across multiple systems environments. • Addresses and resolves technical problems of moderate complexity relating to the installation and upgrade of network hardware and systems. • Interface with customers, vendors and technical staff to analyze business and technical requirements.
Engineer/implement technical solutions from a cradle to grave technical approach.
Lead a team of engineers on projects, ensuring everyone is properly utilized to provide a finalized technical solution/implementation.
Assist/train engineers on new technologies to better the organizations technical expertise
Understanding of software automation tools and ability to incorporate programming languages to do the repetitious tasks. • Document engineering standards, supports the development of network architecture and engineering designs and changes. • Assist in evaluating current and emerging technologies, conducts technical assessments and makes recommendation to senior engineers. • Strong interpersonal and customer service skills. • Effectively complete individual projects and tasks with some oversight.
Engineer first article work on multiple system environments.
Travel: May require occasional travel throughout the continental U.S.
Basic Qualifications:
Requires a Bachelor and at least 12 years of prior relevant experience or Masters with 10 years of prior relevant experience preferred or 16 years of relevant career experience in lieu of degree.
Clearance: Active Top Secret/SCI clearance w/Poly is required • Layer 2 and Layer 3 hands-on configuration experience, with emphasis on dynamic routing protocols, such as, BGP, EIGRP, and OSPF. Knowledge configuring GRE and IPSEC Tunnels, MPLS, DMVPN, Pseudowires, VPLS and Remote Site and Site-to-Site VPNs. Excellent troubleshooting skills.
Design and implementation of datacenter technologies using nexus platforms. • Hands on experience with the implementation and use of network monitoring, fault management and performance analysis tools, such as, SYSLOG, SNMP, Solarwinds, ISE, etc. • Familiarity with data center infrastructure and experience with Cisco Routers, Switches, Nex Gen Firewalls, ESXi, VMware.
Utilizing Juniper SRX equipment and Palo-Alto Firewalls to engineer boundary protection mechanisms. • Experience with network security concepts, best practices and technologies including, but not limited to, SSH, IPSec, TACACS, PKI, firewall policies, DNS, Active Directory, and 802.1x.
Engineering solutions with Cisco Call Manger and VTC technologies. • Possess excellent written and oral communication skills.
* As a condition of employment, this position requires the candidate pass both a customer required medical and psychological screening
#MSBA
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 7, 2026
For 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 $131,300.00 - $237,350.00
The 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.
An industry & technology leader serving government & commercial customers with smarter, more efficient innovations
Industry
Defense and Space Manufacturing
Company size
10,001+ employees
Founded
1969
Headquarters
Reston, Virginia
LinkedIn followers
582,820
Leidos is an industry and technology leader serving government & commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $17.2 billion for the fiscal year ended January 2, 2026.
Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®.
Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos.
Your most important work is ahead, visit careers.leidos.com for our latest opportunities.
Offices: 1750 Presidents St, Reston, Virginia 20190, US · 11955 Freedom Drive, Reston, VA 20190, US · 1145 N 2nd St, Leavenworth, KS 66048, US · 9600 Great Hills Trail, Austin, TX 78759, US · 221 3rd St, Newport, RI 02840, US