173 network security engineer jobs at 96 companies in Colorado

PromotedHiringCafe
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
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)
1mo
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Sr. Network Security Engineer
San Diego or Irvine or Los Angeles or Centennial or Las Vegas or Edison
$150k-$180k/yr OnsiteFull Time
Axos Financial
Axos FinancialNYSE: AX: Provides digital-first banking and diverse financial services to customers.
7+ YOE7+ years network security engineering experience with ZTNA and microsegmentation, strong networking fundamentals, familiarity with AI/ML agent development, bachelor's degree or equivalent experience, excellent communication skills.
Kindo.ai, n8n, Claude/Anthropic APIs, Zero Trust Network Access (ZTNA), microsegmentation, LLM
2mo
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Senior Staff Security Engineer - Network Security
Denver or San Francisco or New York City or San Jose
$210k-$270k/yr HybridFull Time
Gusto
Gusto: Cloud-based payroll and HR software for small businesses.
10+ YOE10+ years in security engineering; Cloudflare WAF/DDoS/Zero Trust; Terraform/Crossplane; AWS networking; incident response; AI-native workflows; security certifications.
Cloudflare, Terraform, Crossplane, AWS, CloudFront, WAF, DDoS, Zero Trust, Panther, Wiz, CrowdStrike, Claude Code, MCP-driven tooling, LLM automations
3d
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IT Engineer - Network & Security
Naperville or Denver
$120k-$130k/yr HybridFull Time
PTMA Financial Solutions
PTMA Financial Solutions: Provides treasury and investment services to public sector entities.
3+ YOE3+ years in network/security or infrastructure engineering; SASE/firewall and cloud experience; EDR/SIEM/ITSM familiarity; ability to lift 30 lbs; occasional travel and rotating on-call duties.
SASE, Fortinet, Palo Alto, Netskope, Zscaler, EDR, SIEM, ITSM, Windows Server
1w
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Network Security Engineer
Colorado Springs, Colorado, United States
$102k-$138k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designing and manufacturing commercial aircraft and defense systems.
2+ YOEActive Top Secret clearance, bachelor’s degree or equivalent, 2+ years related experience, IAT Level II certification (e.g., Security+, CISSP), firewall/switch/router configuration experience (Juniper/Cisco/Palo Alto), EM/VMware familiarity, strong communication.
TCP/IP, VLANs, UDP Multicast, Juniper, Cisco, Palo Alto, Microsoft PowerPoint, Visio, VMware, ESXi, Python, Ansible, PowerShell, NIST CVE
1mo
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Senior Network Security Engineer (Top Secret Clearance)
Colorado Springs, Colorado, United States
$86k-$151k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
3+ YOEActive Final Top-Secret clearance and U.S. citizenship, 3+ years network-security experience, IAT Level II (8140) certification or obtain within 60 days, RMF/CSRMC/STIG experience, multi-vendor device and virtualization experience, scripting/automation proficiency, passport and travel flexibility.
Juniper, Cisco, Palo Alto, VMware/ESXi, Python, Ansible, PowerShell, JUNOS, Visio, OSI, TCP/IP, Risk Management Framework (RMF), Cybersecurity Risk Management Construct (CSRMC), Security Technical Implementation Guides (STIG), NIST CVE
1mo
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Network Security Engineer
Colorado Springs, Colorado, United States
$105k-$122k/yr OnsiteFull Time
MKS2 Technologies
MKS2 Technologies: Delivers cybersecurity and IT solutions to government agencies.
1+ YOEU.S. citizen with passport; Top Secret clearance preferred; Bachelor's +3 years or Master's +1 year; DoD RMF/STIG experience, firewall/switch/router configuration (Juniper/Cisco/Palo Alto), IAT Level II; virtualization and scripting preferred.
DoD RMF, DoDI 8510.01, STIG, NIST CVE, Juniper, Cisco, Palo Alto, JUNOS, Microsoft PowerPoint, Microsoft Visio, VMware, ESXi, Python, Ansible, PowerShell
1w
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Network Security Engineer
Colorado Springs, Colorado, United States
$102k-$138k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designs and manufactures aircraft, defense systems, and space technology.
2+ YOEActive Top Secret clearance, bachelor’s degree or equivalent, 2+ years related experience, IAT Level II certification, firewall/switch/router configuration experience (Juniper,Cisco,Palo Alto), STIG/NIST knowledge, virtualization and scripting familiarity.
OSI Model, TCP/IP, VLANs, UDP Multicast, Juniper, Cisco, Palo Alto, Microsoft PowerPoint, Microsoft Visio, VMware, ESXi, Python, Ansible, PowerShell, JUNOS
1mo
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Senior Network Engineer
Colorado Springs, Colorado, United States
$115k-$135k/yr OnsiteFull Time
Auria
Auria: Engineering and software solutions for space and defense missions.
7+ YOE7+ years in enterprise network engineering; Palo Alto firewalls; Cisco switching/routing; hybrid cloud networking; security-focused design; regulated environments experience.
Palo Alto firewalls, Cisco switching and routing, AWS Transit Gateway, Direct Connect, Site-to-site VPN, Zero Trust, Infrastructure as code, Network automation
2d
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Senior Network Engineer
Colorado Springs, Colorado, United States
$80k-$120k/yr OnsiteFull Time
SAIC
SAICNYSE: SAIC: Provides engineering, IT, and mission support services to government.
5+ YOEBachelor's degree and 5+ years relevant experience; Security+ or Network+ (or higher); active Secret clearance; experience with network maintenance, servers, routers, switches, firewalls, and radar/defense systems.
PARCS, UEWR, PAVE PAWS, SecDevOps
1mo
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Network Engineer, Senior
Fort Meade or Denver or Oklahoma City or Hill Air Force Base or Pearl Harbor or San Antonio
$78k-$176k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
5+ YOE5+ years in network and security architectures for DoD, with Zero Trust and BGP; 2+ years SDN/micro-segmentation; 2+ years documentation; secret clearance; HS diploma or GED; DoD network experience preferred.
Cisco, Palo Alto, Juniper, NGFW, ZTNA, BGP, SDN, NAT, SNAT
2mo
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Network Engineer
Fort Collins, Colorado, United States
$116k-$131k/yr OnsiteFull Time
Persistent Systems
Persistent Systems: Secure mobile ad-hoc networking solutions for defense and commercial sectors.
3+ YOECCNA or equivalent, CompTIA Security+, 3+ years as a network engineer, cloud networking experience (AWS or Microsoft Azure), proficiency with Wireshark and iPerf, ability to obtain US security clearance, and willingness to travel ~25%.
Wave Relay, Cloud Relay, Ethernet, MACsec, IPsec, VPN, EIGRP, OSPF, PIM, IGMP, Wireshark, iPerf, AWS, Microsoft Azure, UPS, CoTS, CVEs
2mo
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Principal Network Engineer
Denver, Colorado, United States
$160k-$180k/yr OnsiteFull Time
Entarian
Entarian: Provides mission-critical engineering and technology solutions for government agencies.
15+ YOE15+ years network engineering; 5+ years in service provider functions; routing/switching expertise; security tools experience; minimal travel; leads technical actions.
Cisco, Juniper, BGP, OSPF, EIGRP, Cisco ISE, Palo Alto
1mo
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Sr Principal Network Engineer
Aurora, Colorado, United States
$129k-$194k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
8+ YOEBachelor's in STEM with 8+ years or Master’s with 6+ years; TS/SCI with full-scope polygraph; Security+ certified; 20% travel; experience with WAN/LAN, routers, switches, firewalls, load balancers; engineering and design of network systems.
Cisco routers, Cisco switches, firewalls, load balancers, Linux, Windows, COMSEC equipment
5d
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Sr. Network Engineer
Thornton, Colorado, United States
$120k-$135k/yr OnsiteFull Time
MYR Group
MYR GroupNASDAQ: MYRG: Specialty contractor providing electrical construction and infrastructure services.
7+ YOE7+ years enterprise network engineering experience (CCNP-level), strong routing/switching, network security, Azure hybrid networking, VMware networking, troubleshooting and on-call participation.
Wireshark, SolarWinds, PRTG, Dynatrace, NetFlow, sFlow, Python, PowerShell, VMware, VMware NSX, ExpressRoute, F5, Azure, Microsoft operating systems
1mo
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Network Engineer
Colorado Springs, Colorado, United States
$120k-$155k/yr OnsiteFull Time
Modern Technology Solutions, Inc.
Modern Technology Solutions, Inc.: Provides engineering, technology, and cybersecurity services for national security.
3+ YOE3+ years network engineering experience, relevant network certs (JNCDA, JNCDS-DC, JNCDS-SEC, CCNA), Top Secret with SCI eligibility, bachelor\u0002s in CS/STEM (or associate with 7+ years), Security+/CISSP desired, periodic travel <20%.
2mo
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Network Engineer
Annapolis Junction or Aurora
$72-$111/hr OnsiteFull Time
EverWatch
EverWatch: Develops software and intelligence systems for government agencies.
8+ YOE8+ years as a Network Engineer; TCP/IP, DNS/DHCP, SNMP, VPN; configure/manage devices; LAN/WAN/cloud; security; monitoring tools; TS/SCI with polygraph; HS diploma or GED.
Cisco hardware, SolarWinds, Wireshark, Nagios, Firewalls, IDS/IPS, VPN, Encryption
3mo
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Network Engineer
Colorado Springs, Colorado, United States
OnsiteFull Time
LaunchTech
LaunchTech: Technology solutions provider specializing in defense systems and cybersecurity.
4+ YOE6+ years general work exp; 4+ years network engineering; CCNA; Security+; DoD 8570 IAT Level I; DoD Secret clearance; Top Secret w/SCI eligibility a plus.
Cisco, Riverbed, Broadcom, ISE, SD-WAN, VPN, BGP, OSPF, DHCP, DNS, TCP/IP
5d
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Network Engineer
Colorado Springs, Colorado, United States
OnsiteFull Time
Paragon Cyber Solutions
Paragon Cyber Solutions: Provides cybersecurity and IT services to federal agencies.
4+ YOEDesign, implement, secure and troubleshoot network environments; mentor staff; strong knowledge of IP, communication protocols, data/network security; 4+ years experience; DoD 8570 IAT II and relevant certifications required; TS/SCI clearance preferred.
1mo
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Network Engineer II
Green Bay or Iowa or Michigan or Minnesota or Colorado or Florida
OnsiteFull Time
Nicolet National Bank
Nicolet National BankNYSE: NIC: A regional bank providing commercial and personal banking services.
5+ YOE5+ years in network engineering; bachelor’s degree; strong enterprise networking skills; Arista EOS; Cato Networks; firewall security; network automation with Ansible/PowerShell; in-office work.
Arista EOS, Cisco, Cato Networks, Microsoft Teams Phone, PowerShell, Ansible, REST/JSON

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