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280 network security jobs at 157 companies in Colorado

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
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1w
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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
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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
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2mo
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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
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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
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Network Architect
Colorado Springs, Colorado, United States
$75k-$170k/yr OnsiteFull Time
Acuity Innovations
Acuity Innovations: Provides engineering and cybersecurity services for defense missions.
9+ YOE6+ years as network or data center engineer; 3+ years in network architecture; IPv4/IPv6, QoS, MPLS, or BGP; STIG and secure device access; TS clearance; Bachelor's degree; certifications (Network+, Security+, CISSP, CCNA, CCNP).
IPv4, IPv6, QoS, MPLS, BGP, MS Visio, STIG, Crypto, COMSEC, ViPER, VOIP, MBSE
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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
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Systems Infrastructure & Network Security Operations Engineer
Spring or Fort Collins
$93k-$144k/yr OnsiteFull Time
HP
HPNYSE: HPQ: Manufacturer of personal computers, printers, and imaging devices.
6+ YOE6+ years networking and systems experience with zero-trust design, IaC and automation (Ansible, Terraform, Python), CI/CD for network assets, vulnerability management, cloud networking, and architecture governance; technical degree or equivalent experience.
Ansible, Python, Terraform, Git, Jenkins, GitLab CI, Nessus, Qualys, VMware vSphere, Proxmox, Linux, Windows, F5, InfoBlox, AWS VPC, Azure VNets, TOGAF, ArchiMate, OSPF, BGP, MPLS, VXLAN
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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.
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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
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2w
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Network Engineer
Colorado Springs, Colorado, United States
$80k-$176k/yr OnsiteFull Time
CGI
CGINYSE: GIB: Provides information technology and business consulting services.
4+ YOE4+ years network engineering experience in Defense environments, BA/BS (or substitutions), hands-on routing/switching/firewall/VPN/load balancer experience, network monitoring and protocols knowledge, patching and security controls, strong troubleshooting skills.
SolarWinds, Splunk, LogicMonitor, Python, Ansible
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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%.
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4d
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Network Technician
La Junta, Colorado, United States
$22-$27/hr OnsiteFull Time
SECOM
SECOM: Regional provider of high-speed fiber and wireless internet services.
Hands-on network administration experience or willingness to train; IT certifications (CompTIA A+, Network+, Security+, CCNA, JNCIA) preferred; NOC/SOC experience desirable; familiarity with Linux, VMware, Juniper or Calix; TCP/IP knowledge; Microsoft Word/Excel/Outlook; valid Colorado driver’s license.
Linux, VMware, Juniper, Calix, Microsoft Word, Microsoft Excel, Microsoft Outlook, Teams
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1w
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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
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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
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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
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1w
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Senior Network Engineer
Denver, Colorado, United States
$104k-$166k/yr OnsiteFull Time
Peraton
Peraton: National security and mission-critical government technology services provider.
8+ YOE8+ years supporting enterprise network infrastructure; DISA STIG and secure federal experience; Cisco networking, routing/switching, VOIP, encryption, and troubleshooting skills; active TS/SCI or Q/SCI clearance.
Cisco, SolarWinds, OSPF, BGP, IPSec, VOIP
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2mo
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Secure Network Engineer
Boulder, Colorado, United States
$150k/yr OnsiteFull Time
Entarian
Entarian: Provides mission-critical engineering and technology solutions for government agencies.
7+ YOE7+ years in secure networking, DoD/IC programs, MBSE, and compliance with DISA RMF/STIGs; TS/SCI preferred.
MBSE tools (Cameo, Rhapsody, MagicDraw)
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2d
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Principal Network Architect
Denver, Colorado, United States
$130k-$160k/yr OnsiteFull Time
Kongsberg Satellite Services
Kongsberg Satellite Services: Provides global satellite ground station and communication services.
10+ YOEU.S. citizen with 10+ years network architecture experience; expertise in WAN/SD-WAN, hybrid-cloud networking, BGP/OSPF/MPLS, IPSec VPN, NIST security frameworks; ability to obtain/maintain US SECRET clearance.
SD-WAN, IPSec, BGP, OSPF, ISIS, MPLS, EVPN, VXLAN, Microsoft Azure Government, AWS GovCloud, Python, Ansible, AWX, GitLab, Terraform, NetBox, Firewall, VPN concentrator
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Senior Network Engineer
Bothell or College Park or Boulder
$110k-$144k/yr HybridFull Time
IonQ
IonQNYSE: IONQ: Develops and sells trapped-ion quantum computers and cloud services.
6+ YOEBachelor's in IT/CS or related; 6+ years network engineering; firewall/security; high availability; cloud networking; CCNP/CCIE preferred.
Palo Alto, Fortinet, Cisco, Azure, AWS, GCP, SD-WAN, SASE, Zero Trust, Python, Ansible, Terraform, F5, Netscaler
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