55 firewall jobs at 39 companies in Loveland, CO
1d
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IT Support Specialist
Denver, Colorado, United States
HybridFull Time
Experienced IT technician with networking, Office 365, Windows Server, Active Directory, security, firewall troubleshooting, network setup, virtualization, and client support experience.
Microsoft Office 365, Windows Desktops, Windows Servers, Active Directory, Sophos, Cisco, SonicWall, WatchGuard, access points, switches, firewalls, virtualization
4d
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Senior Infrastructure Lead
Amarillo or Dallas or Houston or Lubbock or Denver or Oklahoma City or Albuquerque
$140k-$160k/yr RemoteFull Time
10+ YOERequires 10+ years in infrastructure engineering or administration, cloud and on-premises migration experience, Dell HCI, Cisco firewalls, Windows Server, SQL Server, Azure, monitoring, troubleshooting, documentation, and communication skills.
Dell HCI, Cisco, Windows Server, SQL Server, Azure, Azure IaaS, Azure PaaS, Azure AD, Azure Storage, Azure Backup, Azure Site Recovery, Azure Monitor, Cisco firewalls, PowerShell, Python, Manage Engine, Wazuh, PagerDuty, Jira, Rapid 7, Site24x7, Lan Sweeper, Teramind, Microsoft Office
2w
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Network Engineer 3 (TG)
Annapolis Junction or San Antonio or Aurora or Cary
$169k-$266k/yr OnsiteFull Time
10+ YOEActive TS/SCI with Polygraph required; 10+ years relevant experience (varies by degree); expertise in LAN/WAN design, VPN/IPSec, VoIP, GRE, firewalls, load‑balancing, network analyzers, and troubleshooting.
LAN, CAN, WAN, VPN, VoIP, GRE Tunneling, IPSec, NAT, Media over IP (MoIP), Traffic Shaping, load‑balancing, firewall, network analyzer, WAN test equipment, network simulator, ISO 9000
1mo
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Network Engineer (TS/Q Clearance required)
Washington or Albuquerque or Germantown or Denver
$111k-$150k/yr OnsiteFull Time
12+ YOEUS citizen with 12+ years network engineering experience; expertise with Cisco routers/switches/firewalls, routing protocols (BGP, OSPF, EIGRP), and network security; DOE Q or TS clearance required; bachelor’s degree or equivalent.
Cisco Routers, Cisco Switches, Cisco Technologies, Network Firewalls, Juniper, Palo Alto, BGP, OSPF, EIGRP, STP, RSTP, VXLAN, LACP, Microsoft DNS, Unix BIND, DISA STIGs
2mo
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Senior Systems Engineer – Security Integration
Aurora, Colorado, United States
$152k-$205k/yr OnsiteFull Time
6+ YOEBachelor's in a technical field (or equivalent experience), 6+ years systems/integration/security engineering experience, active TS/SCI with Full Scope Polygraph, experience with privileged-user implementation, firewalls and logging controls, strong communication skills.
firewalls, audit logging, filtering technologies, cross-domain technologies
1mo
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Manager, Cybersecurity GRC, Global
Denver or North America or Europe or Africa or Asia or Australia
$145k-$160k/yr HybridFull Time
5+ YOE5+ years designing and managing cybersecurity programs; bachelor’s in IT/cybersecurity or equivalent; CISSP/CISM/CISA/CCSP preferred; hands-on with SIEM, firewalls, IDS/IPS, endpoint protection, vulnerability management; audit, risk, and incident response experience.
ISO 27001, SOC 2, NIST, SIEM, firewalls, IDS/IPS, endpoint protection, vulnerability management tools, Microsoft Office 365
1mo
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Cybersecurity Engineer
Denver or United States
$80k-$120k/yr RemoteFull Time
Hands-on experience architecting, implementing, and managing security, network, and cloud technologies; experience with SIEM, EDR/MDR, firewalls/IPS/IDS; cloud platform security (Microsoft Azure, AWS, GCP, Microsoft 365); scripting/automation (PowerShell, Bash, Python).
Apollo Aegis, firewalls, IPS/IDS, SIEM, EDR/MDR, Microsoft 365, Microsoft Azure, AWS, GCP, PowerShell, Bash, Python, Fortinet, Sophos, Palo Alto, Cisco, Stellar Cyber, Splunk, LogRhythm, Elastic, Microsoft Azure Sentinel, Tenable, Sevco, Microsoft Entra ID, Google Workspace, SSO, MFA
2mo
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Commercial Account Manager
Denver or Atlanta
$195k-$457k/yr RemoteFull Time
8+ YOE8+ years networking sales experience; proven ability to sell routers, switches, firewalls and wireless; consultative selling and account planning skills; experience with service provider/cable customers preferred; bachelor\u0002s preferred; ability to travel up to 25%.
routers, switches, firewalls, wireless
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
1mo
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Sr. Network Systems Engineer
Denver or Littleton or Brevard County
$134k-$187k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
8+ YOEBachelor's degree and 8+ years in network systems engineering with COMSEC, network protocols, firewall/VLAN/ACL implementation, monitoring tools, and collaboration with hardware teams.
SolarWinds, Nagios, PRTG, AWS, Azure, GCP, Ansible, Terraform, Python
1w
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Edge Connectivity Specialist 2
Omaha or Saint Louis Park or Denver or Englewood or Orlando or Kansas City or Albuquerque or Portland or Salem or Pittsburgh or Austin or Dallas or Fort Worth or San Antonio or Vienna or Olympia or Columbia or Saint Paul or Harrisburg or Pennington or Woodcliff Lake or Phoenix or Folsom
OnsiteFull Time
3+ YOEBachelor's degree or equivalent experience, 3+ years in network engineering or enterprise infrastructure support, and experience with LAN/WAN, wireless, routing, switching, VPNs, VLANs, and firewalls.
Azure, AWS, SD-WAN, VLANs, VPN, LAN/WAN, Fortinet, Palo Alto, Aruba
3mo
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Tier III – Technical Support & Network Engineer (EMEA)
Denver, Colorado, United States
$100k-$120k/yr OnsiteFull Time
4+ YOE4+ years in technical support/engineering; strong troubleshooting; MSP/MSSP tooling; networking, firewalls, VPNs; Windows/macOS/Linux; Azure/M365; security concepts.
RMM, PSA, Microsoft 365, Azure, Windows, Linux, Network Security
6d
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Network Engineer, NetOps Infrastructure
Denver or Europe or Asia
$108k-$132k/yr OnsiteFull Time
3+ YOERequires 3+ years running production networks, strong TCP/IP, routing and switching, tunneling, firewalls, Linux networking, server infrastructure, and hands-on Juniper experience.
TCP/IP, BGP, OSPF, iBGP, eBGP, VRFs, PBR, STP, RSTP, VRRP, GRE, IPIP, IPSec, iptables, Linux, tcpdump, Juniper, EVPN, VXLAN, MC-LAG, ECMP, MPLS, A10, F5, IPVS, Bash, Python, NETCONF, PyEZ, Ansible, NetBox, Zabbix, VictoriaMetrics, Grafana, AI assistants
1w
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Edge Connectivity Specialist 2
Omaha or Phoenix or Saint Paul or Austin or Kansas City or Columbia or Denver or Vienna or Saint Louis Park or Folsom or Portland or Pennington or Woodcliff Lake or Orlando or Harrisburg or Salem or Fort Worth or Pittsburgh or San Antonio or Dallas or Albuquerque or Olympia or Englewood
OnsiteFull Time
3+ YOEBachelor’s degree or equivalent experience, 3+ years in network engineering or enterprise infrastructure support, and expertise in LAN/WAN, routing, switching, VLANs, VPNs, wireless, firewalls, and network troubleshooting.
LAN/WAN, VPN, SD-WAN, VLAN, Microsoft Azure, AWS, Fortinet, Palo Alto, Aruba, CCNA, CCNP
1w
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Network Installer - West
Albuquerque or Denver or Los Angeles or Oakland or Seattle or Salt Lake City
$104k-$166k/yr FieldFull Time
8+ YOERequires U.S. citizenship, ability to obtain Public Trust clearance, degree or equivalent experience, enterprise networking expertise, fiber optics, SD-WAN, wireless, routing, firewalls, and network monitoring experience.
TCP/IP, DNS, DHCP, VPN, BGP, OSPF, EIGRP, Cisco, Juniper, SD-WAN, SolarWinds, Nagios, OTDR, TDM, Wireless LAN, Wireless WAN
3w
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Sr Network Administrator
Golden, Colorado, United States
$113k-$155k/yr OnsiteFull Time
6+ YOE6+ years network administration experience; bachelor\u0002s in IT or equivalent; expertise in routing, switching, wireless, firewalls, VPNs, SD-WAN, cloud networking (Azure/AWS); network automation and mentoring experience.
Azure, AWS, SD-WAN
4d
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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
6d
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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
2mo
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Commercial Account Manager
Denver or Atlanta
$195k-$457k/yr RemoteFull Time
8+ YOE8+ years networking sales experience; experience selling routers, switches, firewalls, wireless or related networking infrastructure; university/bachelor's degree preferred; service provider experience preferred; ability to travel up to 25%.
2mo
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Commercial Account Manager
Denver or Atlanta
$195k-$457k/yr RemoteFull Time
8+ YOE8+ years networking sales experience selling routers/switches/firewalls/wireless; consultative selling, account planning, pipeline management, partner collaboration, quota attainment; Bachelor's degree preferred; ability to travel up to 25%.
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