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638 network security engineer jobs at 287 companies in Frederick, MD

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Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
Help us #BeatIndeed & #BeatLinkedIn
1w
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Network Security Engineer
Denver or Washington or Chicago
$98k-$160k/yr OnsiteFull Time
Bank of America
Bank of AmericaNYSE: BAC: Provides global banking, investing, and financial risk management services.
5+ YOE5+ years hands-on BGP experience, NetScout Arbor and DDoS mitigation, cloud network security (Akamai/Cloudflare), WAF experience preferred; strong technical, stakeholder, and testing skills.
BGP, NetScout Arbor, Akamai, Cloudflare, Web Application Firewall (WAF)
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4w
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Network Security Engineer
Columbia, Maryland, United States
$121k-$266k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
5+ YOEActive TS/SCI with Polygraph, 5+ years network security engineering (SIGINT hardware) experience, DoD 8570 IAT Level II, three+ of listed network/security certifications, bachelor's in technical field or equivalent experience.
Symantec ProxySG 6.7
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4w
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Network Security Engineer
Columbia, Maryland, United States
$121k-$266k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
5+ YOEActive TS/SCI with Polygraph, 5+ years network security engineering (SIGINT systems) experience, DoD 8570 IAT II, bachelor’s in related technical field (or 5 additional years), and multiple vendor/network certifications.
Symantec ProxySG 6.7
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1mo
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Network Security Engineer
Chantilly, Virginia, United States
$176k-$282k/yr OnsiteFull Time
Peraton
Peraton: National security and mission-critical government technology services provider.
8+ YOEActive TS/SCI with polygraph required; senior network security experience; scripting (Python, bash, Perl, SQL); Linux proficiency; network device configuration, packet inspection, and virtual infrastructure experience (vSphere).
Python, SQL, Debian, Kali, CentOS, Ubuntu, Wireshark, tcpdump, Metasploit, netcat, nmap, bash, Perl, vSphere, Linux
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4d
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Network Security Engineer (Zscaler)
Arlington, Virginia, United States
$140k-$165k/yr OnsiteHybrid
UltraViolet Cyber
UltraViolet Cyber: Provider of unified offensive and defensive managed cybersecurity services.
10+ YOEUS citizen with Top Secret or DHS clearance preferred, 10+ years network/security engineering experience, Bachelor's degree, deep Zscaler suite and cloud experience, strong network and scripting skills.
Zscaler Private Access (ZPA), Zscaler Internet Access (ZIA), Zscaler Digital Experience (ZDX), Zscaler Client Connector (ZCC), Azure, AWS, GCP, SD-WAN, Linux, Windows, API
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1mo
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Network Security Engineer
Columbia or Maryland or Virginia or West Virginia or Pennsylvania or District of Columbia
$63k-$84k/yr OnsiteFull Time
Howard Community College
Howard Community College: A public community college providing associate degrees and certificates.
2+ YOEBachelor's in CS/IT/Cybersecurity, relevant certs (Security+, CCNA, CEH), minimum 2 years network security experience, hands-on firewall/IDS/IPS/VPN and vulnerability assessment/SIEM experience, ability to respond to incidents and provide training.
firewalls, IDS, IPS, VPN, SIEM, TCP/IP, DNS
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1mo
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Network Security Engineer
Chantilly, Virginia, United States
$176k-$282k/yr OnsiteFull Time
Peraton
Peraton: Provides advanced technology and mission support for government agencies.
3+ YOEActive TS/SCI with polygraph; 8 yrs (BS), 6 yrs (MS), or 3 yrs (PhD) experience; proficiency with Linux (Debian, Kali, CentOS, Ubuntu), networking, packet analysis (Wireshark, TCPdump), scripting (bash, Perl, Python), vSphere, and network security tools.
Linux, Debian, Kali, CentOS, Ubuntu, Wireshark, TCPdump, Metasploit, netcat, nmap, bash, Perl, Python, vSphere, SQL
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1mo
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Senior Network Security Engineer
Suitland-Silver Hill or United States
RemoteFull Time
Ignite IT
Ignite IT: Provides digital transformation and cloud solutions to federal agencies.
7+ YOE7+ years network security engineering; 5+ years enterprise firewall experience; hands-on with Cisco and Palo Alto firewalls, Cloudflare, RSA SecurID/MFA, VPNs, AWS/Azure, SIEM, and automation/IaC; able to obtain Public Trust.
Cisco FTD, Cisco FMC, ASA, AnyConnect, Palo Alto NGFW, Panorama, GlobalProtect, Cloudflare, RSA SecurID, NetFlow, Terraform, Ansible, Python, PowerShell, Git, APIs, CI/CD, SIEM, JIRA, F5
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1mo
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Senior Network Security Engineer
Costa Mesa or Seattle or Washington
$166k-$220k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
Design and implement network defensive controls; experience with routing/switching, security architecture reviews, programming (Python/Go/Rust), IaC (Terraform, AWS CDK), incident response, and cloud security. Eligible for U.S. Top Secret clearance.
Lattice OS, Python, Go, Rust, Terraform, AWS CDK, AWS, Azure, GCP, Linux
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3w
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Evergreen: Senior Network/Security Engineer
McLean, Virginia, United States
$153k-$187k/yr RemoteFull Time
Ad Hoc
Ad Hoc: Builds user-centered digital services and platforms for government agencies.
Expertise with Palo Alto/PAN-OS/Panorama, proxy engineering, packet-level troubleshooting, SIEM/log correlation, secure network design and compliance with federal standards.
Palo Alto, PAN-OS, Panorama, Strata Cloud Manager, SIEM, Splunk, ELK, tcpdump, Wireshark
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3mo
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Network Engineer
Chantilly or Herndon or McLean
OnsiteFull Time
VTG
VTG: Provides force modernization and digital transformation for defense agencies.
5+ YOE5+ years of network engineering experience; TS/SCI with Poly; BS in CS or related field; strong routing, switching, security, and VPN knowledge.
Cisco, Juniper, Arista, Palo Alto, Fortinet, Cisco ASA, VPN, SolarWinds, Wireshark, Linux/Unix, Python, Bash
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3mo
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Network Engineer
Chantilly or Herndon or McLean
OnsiteFull Time
VTG
VTG: Provides engineering and digital modernization solutions for national security.
5+ YOEActive TS/SCI with Polygraph; 5+ years network engineering; BS in CS/Software Eng or related; strong networking and security knowledge; hands-on with network hardware and security tools.
Networking hardware, Firewalls and VPN, Network monitoring tools, Linux/Unix, Scripting (Python, Bash)
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1mo
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Senior Network Security Engineer
Chantilly or United States
RemoteFull Time
GuidePoint Security
GuidePoint Security: Provides cybersecurity consulting, managed services, and integrated technology solutions.
5+ YOEActive TS/SCI with Polygraph required; Bachelor's degree or 4+ years experience; 5+ years in information systems security/cyber engineering; experience with enterprise security deployments, firewalls/IPS/AV; IAT Level II (or obtain within 6 months).
Cisco Identity Services Engine (ISE), Nmap, Nessus, tcpdump, Shell, Perl, XML, Windows, Linux
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3d
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Network Engineer
Sterling, Virginia, United States
$135k-$155k/yr HybridFull Time
UberEther
UberEther: Provides identity management and compliance solutions for federal agencies.
4+ YOE4+ years network engineering experience designing and operating secure multi-cloud networks (AWS/GCP), BGP/OSPF, DNS, cloud interconnects, federal compliance (FedRAMP/CMMC/NIST 800-53), and infrastructure-as-code automation.
AWS, GCP, BGP, OSPF, Direct Connect, Transit Gateway, VPC peering, PrivateLink, Cloud Interconnect, Equinix, Route53, Cloud DNS, DNSSEC, Terraform, CloudFormation
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2mo
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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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1mo
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Network Engineer 2 - Tysons, VA
Tysons, Virginia, United States
OnsiteFull Time
M.C. Dean
M.C. Dean: Design-build and systems integration for complex, mission-critical infrastructure.
2+ YOE2+ years in enterprise network engineering or operations; hands-on routing, switching, wireless, SD-WAN, firewall, cloud networking; security, scripting; strong communication.
Cisco, Palo Alto, Azure, AWS, Ansible, Terraform, VPN, SD-WAN, Networking
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1mo
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Network Engineer 2
Fort Meade, Maryland, United States
$155k-$190k/yr OnsiteFull Time
M2 Technology Group
M2 Technology Group: Providing specialized cybersecurity and engineering services for government agencies.
10+ YOEBachelor's in CS/IT or related, 10+ years network engineering experience, active security clearance with polygraph, IAT Level II certification (Security+ CE, CCNA Security, CySA+ or equivalent).
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3mo
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Network Engineer
Merrifield, Virginia, United States
HybridFull Time
Dutch Ridge Consulting Group
Dutch Ridge Consulting Group: Provides IT solutions and technical support to federal agencies.
5+ YOE5+ years enterprise network experience; active Secret clearance; professional certifications (CCNP/CCDP); strong knowledge of SD-WAN, VPNs, and network security.
Cisco, UCS, ACI, VMware, UCS Director, Firewalls, SD-WAN, DMVPN, VPN, Cisco ACI, Aruba, Juniper, Cisco, Fiber optics
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2mo
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Network Engineer
Chantilly, Virginia, United States
OnsiteFull Time
Hoplite Solutions
Hoplite Solutions: Provides cybersecurity and intelligence services for national security missions.
15+ YOETS/SCI clearance with polygraph; 15+ years in network engineering; BS in Computer Science/Engineering; CI/CD in cross-domain; strong network security experience; on-site work in Chantilly, VA.
Firewalls, VPNs, Network protocols, LAN/WAN, WLAN, Routers, Switches, Cross Domain Solutions, CI/CD, Cloud platforms, Linux, Windows
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3mo
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Senior Network Security Engineer
Washington, District of Columbia, United States
OnsiteFull Time
VAE
VAE: Provides IT infrastructure solutions and managed services.
8+ YOE8+ years of hands-on network engineering; DoD/STIG; Top Secret; CCNA/CCNP/JNCIS/JNCIP; DoD 8570 IAT Level II; on-site in Washington, DC.
Cisco IOS, Cisco ISE, Juniper SRX, Cisco Firepower, FMC
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