13 firewall jobs at 11 companies in Fort Collins, CO
2mo
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Network Administrator
Cheyenne or Wyoming or Colorado or United States
HybridFull Time
2+ YOEAssociate degree in IT or related field (or equivalent experience), 2+ years networking/network administration experience, proficiency with LAN/WAN, firewalls, VPNs, SASE, Microsoft cloud/management tools, and strong troubleshooting skills.
LAN, WAN, VPN, firewalls, wireless systems, Layer 2, Layer 3, SASE, Microsoft Azure, Microsoft Office 365, Microsoft Entra, Microsoft Intune, Microsoft Purview, Microsoft Teams, Microsoft OneDrive
2mo
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Security Administrator
Cheyenne, Wyoming, United States
HybridFull Time
2+ YOEDeploy, configure, and manage SASE, firewalls, IDS/IPS, endpoint security and antivirus; conduct security investigations and vulnerability reporting; manage Active Directory and MFA. Associate degree in IT or related field and ~2 years systems security experience preferred.
Secure Access Service Edge (SASE), antivirus and malware protection, endpoint security solutions, firewalls, intrusion detection and prevention systems, Active Directory, Multi‑Factor Authentication
2mo
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Senior Azure Infrastructure Engineer
Loveland or Fountain Valley
$97k-$127k/yr HybridFull Time
7+ YOE7+ years in Azure cloud infrastructure; AZ-104; IaC (Terraform/Bicep); DevOps tools; Palo Alto firewalls; Linux; hybrid/cloud migrations.
Terraform, Bicep, PowerShell, Azure CLI, ARM templates, Azure DevOps, GitHub Actions, Jenkins, Palo Alto, Linux
3d
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Network Engineer - E2
Boulder, Colorado, United States
$79k-$147k/yr OnsiteFull Time
Requires active Secret clearance, network design and troubleshooting skills, foundational routing, switching, TCP/IP, DHCP, DNS, firewall, Cisco, and network administration knowledge, plus Jira and Confluence experience.
TCP/IP, DHCP, DNS, Cisco Nexus, Cisco Catalyst, Wireshark, Splunk, Infoblox NetMRI, DISA STIG, Jira, Confluence, Red Hat, TACLANE, Cisco Next Generation Firewalls, ISE, TACACS+, ACI, F5, Juniper
3d
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Network Engineer - E2
Boulder, Colorado, United States
$79k-$147k/yr OnsiteFull Time
Requires a final Secret clearance, ability to obtain TS/SCI, network design and troubleshooting knowledge, Cisco platforms, TCP/IP, DHCP, DNS, firewall policies, DISA STIG, Jira, and Confluence experience.
Wireshark, Splunk, Infoblox NetMRI, Jira, Confluence, Red Hat, TACLANE, Cisco NextGen Firewalls, ISE, ACI, F5, Juniper, TCP/IP, DHCP, DNS, Cisco Nexus, Cisco Catalyst, DISA STIG
4d
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Senior Cybersecurity Engineer, Operational Technology
Fort Collins, Colorado, United States
$153k-$222k/yr OnsiteFull Time
7+ YOEBachelor’s degree or equivalent experience, 7–10 years of cybersecurity experience with OT/ICS exposure, driver’s license, GICSP or GCIP, and knowledge of industrial protocols, OT tools, segmentation, firewalls, and NERC CIP.
Modbus, DNP3, OPC, IEC 61850, Nozomi, Claroty, Dragos, Tenable.ot, Splunk, Palo Alto, Cisco, VPN, ZTNA, NIST Cybersecurity Framework (CSF), NIST SP 800-82, ISA/IEC 62443, NERC CIP, CISA, SBOM
2w
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Network Manager 2026-01869
Cheyenne, Wyoming, United States
$10k-$11k/mo HybridFull Time
4+ YOELead statewide network, telecom, firewall, NOC and unified network operations; supervise teams; establish architecture and standards; manage budgets, vendors, and documentation. Bachelor's degree typical; 4-6 years experience (or 6-8 substitution).
ServiceNow
1mo
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Presales Systems Engineer - SASE
Durham or Denver or Fort Collins
$121k-$284k/yr RemoteFull Time
4+ YOE4+ years in technical presales, sales engineering, or solution architecture in networking/security/cloud; hands-on SASE/SSE/Zero Trust/SD‑WAN experience; firewall and networking fundamentals; public cloud familiarity; strong communication and demo skills.
HPE Aruba Networking, EdgeConnect, Aruba Central, ClearPass, SRX, AWS, Azure, Google Cloud, SD‑WAN, ZTNA, SWG, CASB, DEM
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
2w
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Senior Cybersecurity Engineer
Berthoud, Colorado, United States
$130k-$162k/yr OnsiteFull Time
4+ YOE4+ years cybersecurity engineering in regulated environments, bachelor's in relevant field or equivalent, expertise with NIST SP 800-171/CMMC L2 and hybrid IT/OT security, ability to work with engineering stakeholders and obtain US security clearance.
SIEM, firewalls, Zero-Trust Network Access, identity platforms, vulnerability management, site-to-site VPNs, micro-segmentation
3w
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Sr. Field Service Engineer / Sr Systems Administrator
Lafayette, Colorado, United States
$95k-$143k/yr RemoteFull Time
10+ YOEBachelor's degree,10+ years IT experience with Windows and networking, virtualization, Active Directory, Wi‑Fi, scripting, and field installation experience in hospital environments; ability to travel frequently.
Microsoft Windows 10, Microsoft Windows 11, Microsoft Server 2016, Microsoft Server 2019, Microsoft Server 2022, Microsoft SQL Server 2016, Microsoft SQL Server 2019, Microsoft SQL Server 2022, Active Directory, VMware, Azure, Wi-Fi, Routers, Switches, VLANs, Subnets, Firewalls
4d
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Operational Technology Engineer
Fort Collins, Colorado, United States
$100k-$140k/yr FieldFull Time
Bachelor's degree in a related technical field or equivalent experience; industrial automation, SCADA, PLC, networking, troubleshooting, documentation, and field support experience required. Travel is required.
SCADA, HMI, PLC, RTU, OT networks, industrial switches, routers, firewalls, VPNs, Ethernet, cellular, radio, fiber, serial, Modbus, EtherNet/IP, DNP3, OPC, OPC UA, Rockwell Automation, Allen-Bradley, Schneider Electric, Siemens, Emerson ROC, ABB Total Flow, Inductive Automation Ignition, Perspective, Vision, FactoryTalk, Wonderware, iFIX, MSSQL, MySQL, Microsoft Windows Server, P&IDs, Factory Acceptance Testing (FAT), Site Acceptance Testing (SAT)
1mo
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Cyber Security Operations Analyst
Boulder, Colorado, United States
$64k-$106k/yr OnsiteFull Time
0+ YOEMonitor security consoles, triage events, create incident reports; requires US citizenship and active secret clearance, 0–2 years SOC/NOC experience preferred, familiarity with TCP/IP, Windows/Linux, and SIEM tools.
SIEM, IDS/IPS, Firewall, Splunk, ArcSight, Sentinel, TCP/IP, Windows, Linux