Senior Network Engineer
Jul 8, 2026 Chantilly, VA
About us
https://www.leidos.com/
- Size: 10,000+ employees
- Industry: Technology: B2B Tech Services
Why you should apply for a job to Leidos:
Ranked as one of the Best Technology Companies in 2024
4.1/5 in overall job satisfaction
4.3/5 in supportive management
70% say women are treated fairly and equally to men
85% would recommend this company to other women
85% say the CEO supports gender diversity
Ratings are based on anonymous reviews by Fairygodboss members. See all reviews ›
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.
About Leidos
Leidos is an industry and technology leader serving government and 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 $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.
Pay and Benefits
Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits.
Securing Your Data
Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.
If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.
Commitment to Non-Discrimination
All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.
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.
About Leidos
Leidos is an industry and technology leader serving government and 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 $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.
Pay and Benefits
Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits.
Securing Your Data
Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.
If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.
Commitment to Non-Discrimination
All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.
Additional Information
- Salary: $131,300 – $237,350
- Posted: Jul 8, 2026