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1,332 sr network engineer jobs at 414 companies in Leesburg, VA

2mo
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Sr Network Engineer
Springfield, Virginia, United States
$97k-$131k/yr HybridFull Time
GDIT
GDITNYSE: GD: Delivers IT and mission services to government agencies.
5+ YOESenior network engineer with 5+ years of relevant experience; Active Secret clearance with favorable Tier 5; IAT Level III, CCNP-E, CCSA certifications; Bachelor’s degree or 4 years substitute; experience in LAN/WAN, BGP, MPLS, LDP; multi-vendor device config; hybrid work in Springfield, VA.
BGP, MPLS, LDP, LAN/WAN, CCNP, CCSA
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1mo
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Sr. Network Engineer
Texas or Chantilly or Baltimore
RemoteFull Time
Red River
Red River: Provides IT solutions and managed services for government and enterprise clients.
7+ YOE7+ years enterprise LAN/WAN experience, professional-level networking certification (CCNP preferred, CCIE strongly preferred), US citizenship, travel up to 50%, strong routing/switching and SDN expertise.
Cisco Catalyst SD-WAN, Meraki, Palo Alto Prisma, Juniper Session Smart, Cisco SDA, Catalyst Center, ISE, Cisco ThousandEyes, IPSLA, NetFlow, sFlow, Cisco Umbrella, Palo Alto Prisma Access, Zscaler, Cloudflare One, AWS Direct Connect, Azure ExpressRoute, GCP Interconnect, Python, Ansible, Terraform, NETCONF, RESTCONF
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2mo
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Sr. Network Developer
Santa Clara or Seattle or Reston or Nashville or Austin
$91k-$187k/yr OnsiteFull Time
Oracle
OracleNYSE: ORCL: Provides cloud infrastructure and enterprise software for global businesses.
3+ YOEBachelor's in CS/EE or related, minimum 3 years network engineering experience focused on hardware platforms; experience with switches, routers, and optical systems; strong collaboration, communication, and problem-solving skills.
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2mo
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Sr Network Plant Engineer
Vienna, Virginia, United States
OnsiteFull Time
ActioNet
ActioNet: Provides IT modernization and cybersecurity services for government agencies.
7+ YOESenior network engineer with 7+ years in ISP/OSP, DoD experience preferred; skilled in design/implementation of fiber/copper plants, NEC compliance, and project leadership.
AutoCAD, MS Office, Visio, Word, Excel, PowerPoint
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2w
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Sr. Principal Network Engineer
Chantilly, Virginia, United States
$129k-$194k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
8+ YOEActive TS/SCI with polygraph required, DoD 8570 IAT Level II (e.g., CompTIA Security+), 8+ years experience (with BS) or equivalent, Cisco/Juniper networking, RMF/ATO experience, ability to lift 50 lbs.
Cisco CLI, JunOS, Linux, Windows, Microsoft Visio
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2mo
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Sr. Network Engineer
Laurel, Maryland, United States
$100k-$200k/yr OnsiteFull Time
Applied Network Solutions: Providing cybersecurity and network engineering services for government agencies.
12+ YOE12 years of network engineering experience, Bachelor's in engineering (or +4 years experience), IAT Level III certification (DoD 8570.01-M), TS/SCI with poly, expertise in WAN/LAN, routing (BGP, OSPF), VPN, VLAN, and security testing.
WAN, CAN, DCN, DCI, NETSEC, VPN, VRF, VSS, BGP, OSPF, VLAN, network analyzers, WAN test equipment, network simulators, DoD 8570.01-M
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1w
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Sr. Network Engineer
Chantilly, Virginia, United States
$150k-$200k/yr OnsiteFull Time
Apogee Integration
Apogee Integration: Provides systems engineering and technical advisory for intelligence agencies.
12+ YOEActive TS/SCI with CI polygraph, bachelor's degree or equivalent experience, 12+ years relevant experience, deep network engineering expertise, Linux and Windows experience, and penetration-testing knowledge.
BGP, Linux, Windows, TCPDump, Wireshark, Netstat, Zabbix, Cloud, AI, C, C++, Python
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18h
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Network Architect/Network Engineer
Chantilly, Virginia, United States
$195k-$210k/yr OnsiteFull Time
FTS International
FTS International: Providing engineering and mission support to the US Intelligence Community.
10+ YOERequires TS/SCI with polygraph, a bachelor's degree in a relevant engineering or computer science field, and 10+ years of relevant experience in network architecture, SDN, routing, mesh networks, and systems engineering.
Software-defined networking (SDN), SDN, 4G, 5G, RAN, Core Network, AI, ML, Model-Based Systems Engineering (MBSE)
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2mo
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Sr Consultant Network Engineer
Ashburn, Virginia, United States
$152k-$244k/yr HybridFull Time
Visa
VisaNYSE: V: Global payment technology facilitating electronic funds transfers.
8+ YOESenior Network Engineer with 8+ years experience in IP networking, SD-WAN, cloud connectivity, and automation. Hybrid role in Ashburn, VA.
Cisco Networking, OSPF, BGP, NAT, DNS, DHCP, IPAM, Terraform, Terragrunt, Ansible, Python, Chef, Puppet, Salt, Docker, Kubernetes, OpenShift, Public Cloud (AWS, GCP), SD-WAN, Versa, Solarwinds, Netbrain, ThousandEyes, DMVPN
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1w
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Sr. Network Engineer
Columbia, Maryland, United States
$145k-$165k/yr OnsiteFull Time
Astrion
Astrion: Provides engineering, cybersecurity, and mission support services.
8+ YOEActive Top Secret clearance,8+ years DoD/classified network engineering,deep Cisco and Fortinet expertise,RMF/STIG and C2C experience,DoD 8140-compliant certs (e.g., Security+ CE,CISSP,Cisco CCNP),Python/Ansible automation.
Cisco, Fortinet, BGP, OSPF, EIGRP, VLANs, MPLS, FortiGate, FortiOS, VPNs, C2C, Python, Ansible, SIEM, NetFlow, Cisco ISE, Azure Government, Azure Secret
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1w
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Sr. Network Engineer
Washington, District of Columbia, United States
$120k-$150k/yr RemoteFull Time
Networking For Future
Networking For Future: Provides expert technology consulting and mission-critical systems engineering.
8+ YOERequires 8 years of network architecture experience, LAN/WAN/ISP protocols, Cisco network design, e911 deployments, wireless and VoIP development, project management, and strong communication skills. CCNP Enterprise or equivalent; CCIE, Palo Alto, or Fortinet highly desired.
MPLS, BGP, SIP, OSPF, SD-WAN, Cisco, CCB, VPN, ADC, Splunk, Arista, Cohesity, Apptega, NetApp, VMware, Microsoft, Dell, Rapid7, Microsoft SharePoint
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2w
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Sr. Network/RF Engineer
Tampa or Gainesville or Manassas or Sterling or Washington
$140k-$170k/yr FieldFull Time
NexTech Solutions
NexTech Solutions: Provides systems integration and IT services for government agencies.
5+ YOEActive Secret clearance, bachelor’s degree in IT or related, 5+ years RF system design/installation experience, proficiency with IP networking, LMR, Motorola systems, diagnostic tools, and ability to travel up to 50%.
PuTTY, WinSCP, VMware, Hyper-V, HP ProLiant, Cisco, Juniper, Cambium, Peplink, Spectrum analyzer, Network analyzer, Line sweep analyzer, Microsoft Windows Server, Active Directory
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3mo
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Network Engineer
Herndon, Virginia, United States
OnsiteFull Time
VTG
VTG: Provides engineering and digital modernization solutions for national security.
11+ YOETop Secret/SCI with Poly clearance; 11+ years network engineering; firewall expertise; Bachelor’s or Master’s preferred; strong communication.
Cisco firewall, Palo Alto Firewall, Juniper firewall, Cisco FTD, Palo Alto Panorama, TCP/IP, OSI model, Cloud (AWS, Azure, Oracle, Google)
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1w
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Sr. Network Engineer (Tier III)
Washington, District of Columbia, United States
$135k-$216k/yr OnsiteFull Time
Peraton
Peraton: Provides advanced technology and mission support for government agencies.
8+ YOERequires active TS/SCI clearance, CCNA, DoD 8140/8570 IAT Level II, and 8 years of related experience with a bachelor's degree or 4 years substituting. Requires complex network design, routing, switching, and 24/7 shift support.
DNS, FTP, SSH, SNMP, BGP, OSPF, MPLS, VPN, Software Defined Networking, Wide Area Network (WAN), CCNA, CCNP-Enterprise Infrastructure, Juniper Enterprise Routing and Switching, Professional (JNCIP-ENT), Microsoft?
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1mo
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Sr. Principal Network Engineer
Herndon, Virginia, United States
HybridFull Time
Clarity Innovations
Clarity Innovations: Provides software and data engineering for national security missions.
3+ YOEActive U.S. Top Secret clearance, Bachelor's in a technical field or 4 years equivalent experience, 3+ years network engineering with cloud and hardware devices, IaC (Terraform/Ansible), scripting (Python/Bash/PowerShell), and secure networking knowledge.
Terraform, Ansible, CloudFormation, AWS, Azure, Python, Bash, PowerShell, Jenkins, GitLab, Wireshark, SolarWinds, Nagios
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3mo
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Network Engineer
Chantilly or Herndon
$175k-$220k/yr OnsiteFull Time
Insight Xcite
Insight Xcite: A mission-focused consulting firm that supports critical government programs with engineering, technology, cybersecurity, and analytics expertise.
6+ YOEActive TS/SCI with Full-Scope Polygraph, 6+ years network engineering experience, expertise with routing/switching, firewalls, VPNs, Cisco/Juniper, and secure mission environments.
Cisco, Juniper, VoIP
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6d
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Network Engineer - Senior
Sterling, Virginia, United States
OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.
6+ YOESix years of relevant network engineering experience and a bachelor's degree required; expertise in TCP/IP, routing, virtual networking, Cisco IOS, network operations, security, and LAN/WAN/VPN environments.
TCP/IP, Cisco IOS, LAN, WAN, VPN, SD-WAN, VoIP, VDI, VMware, AWS, Microsoft Azure
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2mo
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Network Engineer Sr
Ashburn, Virginia, United States
OnsiteFull Time
Telos
TelosNASDAQ: TLS: Provides cyber, cloud, and enterprise security solutions for government and commercial clients.
5+ YOE5-7 years networking experience; DoD 8570.01-M Baseline for IAT Level III (CISSP, CASP+); CCNA/CCNP; Cisco IOS, routing/switching; DoD security tooling (HBSS, ACAS, eMASS); active DoD Secret Clearance or ability to obtain; US citizenship.
Cisco IOS, HBSS, ACAS, eMASS, DoD vulnerability management
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12h
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Network Engineer III
Springfield, Virginia, United States
$140k-$146k/yr OnsiteFull Time
Cherokee Federal
Cherokee Federal: Provides specialized professional and technical services to federal government agencies.
10+ YOECurrent TS/SCI clearance and 10 years of technical network experience, including 5 years with large-scale enterprise networks. Requires advanced network engineering, requirements analysis, DoD architecture, and Cisco/Juniper expertise.
Microsoft Visio, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Project, CISCO Network Analysis Modules, SolarWinds Network Management, OPNET NetOne, HP Network Node Manager, AWS, Azure, Cisco, Juniper, IPSEC, VPN, IPv4, GRE, IPv6, Multicast, QOS, SDN, SNMP, VOIP, VTC, BGP, OSPF, MPLS
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4w
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Network Engineer (SME)
Herndon, Virginia, United States
$150k-$254k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
11+ YOE11+ years network engineering experience with routing, switching, firewalls, SD-WAN, cloud networking; ability to design, implement, document, and mentor; Top Secret/SCI eligibility required.
EIGRP, BGP, ISIS, STP, LACP, VTP, MPLS, NAT, VPN, SD-WAN, VERSA, AWS, Azure, Google, Java, Python
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