157 network security jobs at 105 companies in Longmont, CO
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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
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
3w
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IT Engineer - Network & Security
Naperville or Denver
$120k-$130k/yr HybridFull Time
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
2mo
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Lead Engineer, Network Security Platform
Birmingham or Bentonville or Phoenix or Tempe or Boulder or Denver or Hartford or Fort Lauderdale or Jacksonville or Miami or Orlando or Tallahassee or Tampa or Atlanta or Des Moines or Boise or Chicago or Indianapolis or Louisville or Baton Rouge or New Orleans or Shreveport or Baltimore or Detroit or Minneapolis or Kansas City or St. Louis or Jackson or Charlotte or Raleigh or Winston-Salem or Lincoln or Omaha or Montvale or Short Hills or Albuquerque or Albany or Buffalo or Rochester or Cincinnati or Cleveland or Columbus or Oklahoma City or Harrisburg or Philadelphia or Pittsburgh or Providence or Greenville or Knoxville or Memphis or Nashville or Austin or Dallas or Fort Worth or Houston or San Antonio or Salt Lake City or Ashburn or Richmond or Milwaukee or Virginia Beach
OnsiteFull Time
5+ YOERequires 5+ years of network security experience, Palo Alto and Zscaler expertise, GCP security engineering, Terraform or Ansible, and a high school diploma or GED; bachelor's degree preferred.
Zscaler, Google Cloud Platform (GCP), Palo Alto, Azure, Palo Alto firewalls, Strata, VM-Series, Panorama, Prisma Access, Terraform, Ansible, Cloud Armor, Zscaler Internet Access (ZIA), Zscaler Private Access (ZPA)
3mo
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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
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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Security Specialist - Network Detection & Response
Pittsburgh or Strongsville or Denver or Phoenix or Birmingham
$91k-$186k/yr OnsiteFull Time
5+ YOEBachelor's degree and 5+ years of relevant industry experience; expertise in SIEM, IDS/IPS, network security, alert response, risk mitigation, security assessments, and information security procedures.
Security Incident and Event Management (SIEM), IDS/IPS, Intrusion Detection Systems, Intrusion Prevention Systems, Packet Capture (PCAP)
2mo
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Network Engineer
Fort Collins, Colorado, United States
$116k-$131k/yr OnsiteFull Time
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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Systems Infrastructure & Network Security Operations Engineer
Spring or Fort Collins
$93k-$144k/yr OnsiteFull Time
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
3w
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Sr. Network Engineer
Thornton, Colorado, United States
$120k-$135k/yr OnsiteFull Time
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
1w
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Network Engineer 4
Centennial, Colorado, United States
$121k-$202k/yr OnsiteFull Time
6+ YOEDesign, implement, and optimize enterprise and launch network infrastructure; mentor engineers; expertise in routing, switching, security, cloud networking, and automation.
OSPF, BGP, Cisco ACI, Palo Alto, Cisco ASA, Firepower, Python, Ansible, PowerShell, Terraform, Azure, AWS, SolarWinds, NetFlow, Cisco ISE, SD-WAN
1w
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Senior Network Consultant
Denver or Houston or Dallas
$86k-$113k/yr HybridFull Time
5+ YOE5+ years IT experience with network architecture design and deployment, networking and security expertise, cloud experience (Azure/AWS/GCP), strong troubleshooting and documentation skills.
Azure, Azure AI services, AWS, GCP, Chat GPT, Cisco IOS, NXOS, Cisco Meraki, Cisco Voice/Call Manager
1w
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Sr. Network Engineer
Redwood City or San Diego or Denver
$100k-$140k/yr HybridFull Time
5+ YOEBachelor's degree or equivalent,5+ years network experience (preferably OT energy/data center),Azure networking, Palo Alto/Cisco experience, networking/security certifications, familiarity with NIST/ISA/IEC/NERC frameworks.
Microsoft Azure, Palo Alto Networks, Cisco, Dell Servers, Hyper-V, VMware, Kubernetes, Docker, SIEM, EPMS, BMS, NIST SP 800-82, ISA/IEC 62443, NERC CIP
2mo
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Network Engineer
Annapolis Junction or Aurora
$72-$111/hr OnsiteFull Time
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
3w
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Senior Network Engineer
Denver, Colorado, United States
$104k-$166k/yr OnsiteFull Time
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
4d
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Senior Network Administrator
Denver, Colorado, United States
$125k-$146k/yr HybridFull Time
10+ YOEDesign, implement, and manage Cisco-based network infrastructure; 10+ years network administration experience; CCNP or 5+ yrs equivalent; strong TCP/IP, OSPF/BGP, security, Microsoft Terminal Services skills.
Cisco, Microsoft Terminal Services, Gateway Broker, RD Web
3mo
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Secure Network Engineer
Boulder, Colorado, United States
$150k/yr OnsiteFull Time
7+ YOE7+ years in secure networking, DoD/IC programs, MBSE, and compliance with DISA RMF/STIGs; TS/SCI preferred.
MBSE tools (Cameo, Rhapsody, MagicDraw)
3w
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Network Lead Engineer (IT)
Denver, Colorado, United States
$115k-$183k/yr RemoteFull Time
8+ YOE8+ years enterprise network engineering experience with 2+ years in a senior/lead capacity; expert routing/switching, cloud network integration, security, load balancing, IPAM and monitoring; strong communication skills.
Cisco, HP Synergy, Infoblox, PagerDuty, Micro Focus NNMi, Google GCP, AWS, Azure, Workday, ServiceNow, Illumio, Palo Alto Prisma
2mo
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Network Engineer (Level 2 OR 3)
Aurora, Colorado, United States
$83k-$125k/yr OnsiteFull Time
2+ YOEBachelor's in STEM with 2+ years for Level 2 or 5+ years for Level 3; TS/SCI with poly; Security+; travel 30%; Cisco network experience; Linux/Windows; firewall and load balancer knowledge.
Cisco Router, Cisco Switches, Firewalls, Load Balancers, COMSEC, Linux, Windows, Networking
4d
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Network Engineer 3 (TG)
Annapolis Junction or San Antonio or Aurora or Cary
$169k-$266k/yr OnsiteFull Time
10+ YOETS/SCI with Polygraph required; 10+ years relevant experience (varies by degree); experience designing, configuring, and maintaining LAN/WAN networks and related security technologies.
VPN, GRE, IPSec, VoIP, ISO 9000
1mo
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Senior Network Engineer
Boulder, Colorado, United States
$96k-$136k/yr HybridFull Time
8+ YOE8+ years network engineering experience; 3+ years with Cisco ISE, Aruba, and Clearpass; hands-on Cisco routers/switches; Layer 2/3 expertise; firewall and Fortinet experience preferred; strong communication; bachelor's degree desirable; subject to government security investigation.
Cisco ISE, Aruba, Clearpass, Cisco routers and switches, Fortinet
3w
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Sr Network Engineer - CCIE Contract 1
Denver or Fort Collins
$90k-$130k/yr OnsiteFull Time
5+ YOE5+ years enterprise network engineering experience, strong LAN/WAN/routing/switching knowledge, network security and hybrid cloud networking, vendor and contract management, bachelor's degree required.
Cisco
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