3mo
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Network Architect
Boulder, Colorado, United States
$75k-$170k/yr OnsiteFull Time
6+ YOE6+ years as network or data center systems engineer; 3+ years in network architecture; TS/SCI or Top Secret/SCI clearance; Bachelor's degree; certifications such as Network+, Security+, CISSP, CCNA, CCNP; experience with IPv4/IPv6, QoS, MPLS, BGP; OSI model knowledge; network security and cryptography basics.
IPv4, IPv6, QoS, MPLS, BGP, MS Visio, cryptography
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
1mo
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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
1w
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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
2mo
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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)
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
1w
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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
1mo
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Network Engineer / Level 3
Boulder, Colorado, United States
$86k-$151k/yr OnsiteFull Time
3+ YOE3+ years network engineering experience, BS degree typical, strong Layer 2/3 (VLAN, OSPF, BGP) and Cisco/Juniper skills, Security+ CE (or IAT Level II) required/obtainable, active Secret and ability to obtain TS/SCI.
OSI, TCP/IP, VLAN, OSPF, BGP, Cisco, Juniper, Cisco ACI, Juniper Apstra, Ansible, VMware, vSAN, Microsoft PowerPoint, Microsoft Visio, DISA STIGs, COMSEC, TACLANE
1mo
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Senior Controls Network/Cyber Engineer - Nuclear
Longmont, Colorado, United States
$100k-$130k/yr OnsiteFull Time
Design, configure, and secure OT networks; implement cyber security controls; knowledge of virtualization, Windows, and network technologies; travel up to 10%.
Cisco ASA, Fortinet, Palo Alto, Windows Server, Active Directory, DNS, DHCP, NPS, Group Policies, VCenter, ESXi, VSAN, Splunk, SIEM, Ivanti, WSUS, Trellix, Nozomi, TrendMicro, Proficy Cimplicity, Historian, Proficy, PI, Goose
3mo
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Senior Product Security Engineer (Active Clearance)
Fort Collins, Colorado, United States
$144k-$191k/yr OnsiteFull Time
8+ YOE8+ years of experience; bachelor's degree; programming in C/C++, Golang, Rust, or Python; security of firmware, applications, networks, or embedded systems; embedded/Linux development; anti-tamper/reverse engineering awareness; strong communication; eligibility for U.S. TS clearance.
C/C++, Golang, Rust, Python, Linux, Embedded Systems, Firmware, Security Testing, Threat Modeling
1w
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IT Security Analyst
Brighton, Colorado, United States
$109k-$150k/yr OnsiteFull Time
3+ YOEBachelor's in cybersecurity or related field, 3+ years information security experience, knowledge of vulnerability scanning, incident response, Windows servers, networking; CISSP preferred; CJIS required or obtainable; FEMA IS100/700 within 6 months; valid Colorado driver’s license.
MDR, EDR, VM, SIEM, VMWare, Veeam, Microsoft Active Directory, Office365, Microsoft System Center, Endpoint Manager, WSUS, Malwarebytes, Microsoft Defender for Endpoint, Cisco, Microsoft Windows Server
1w
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Information Security Analyst II (GRC)
Broomfield or Wichita
$78k-$98k/yr OnsiteFull Time
0+ YOEAssociate's or Bachelor's in IT/cybersecurity or equivalent experience; 0–2 years IT/cybersecurity experience; familiarity with security frameworks, Windows/Linux, networking; strong analytical and communication skills.
Microsoft Windows, Linux, PCI DSS, NIST 800-53, FedRAMP, ISO 27001, CIS, MITRE ATT&CK, OWASP Top 10
3mo
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Lead Embedded Systems Security Architect
Sunnyvale or Westminster
$139k-$191k/yr OnsiteFull Time
Expertise in embedded cybersecurity, C/C++ and RTOS, Embedded Linux, networking protocols, systems architecture; ability to translate security requirements across hardware, cloud, and product teams.
C, C++, RTOS, Embedded Linux, GNSS
3d
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Customer Engineer, Federal Security, Google Public Sector
Reston or Washington D.C. or Boulder
$152k-$222k/yr OnsiteFull Time
10+ YOEUS citizen with active Top Secret/SCI clearance with polygraph, Bachelor’s or equivalent, 10+ years cloud security experience, SIEM/CNAPP/network security knowledge, presentation skills, scripting in Python or Bash.
Security Information and Event Management (SIEM), Cloud Native Application Protection Platform (CNAPP), Google Cloud, Python, Bash
3mo
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Senior Computer Hardware Engineer (Loveland, CO)
Loveland, Colorado, United States
$84k-$105k/yr OnsiteFull Time
7+ YOEBachelor’s degree in Computer Science or Engineering; 7+ years hardware/systems engineering; Windows OS; networking fundamentals; secure build practices; product deployment experience; healthcare/regulated environment preferred; certifications a plus.
Windows, Networking, System configuration, Security practices, Hardware design
3mo
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Cybersecurity Analyst Engineer Specialist
Louisville, Colorado, United States
$97k-$112k/yr OnsiteFull Time
3+ YOEBachelor’s degree in cybersecurity/IT or related field (or equivalent); 3+ years in cybersecurity/IT security; strong networking, OS, and security principles; experience with security tools; preferred cloud security, scripting, and certifications.
SIEM, MXDR, firewalls, IDS/IPS, cloud security, scripting, Python, PowerShell
2mo
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Escalations Engineer (L3)
Fort Collins, Colorado, United States
$70k-$85k/yr HybridFull Time
5+ YOE5+ years technical experience; strong customer service; Windows Server/AD, virtualization, networking, security; cloud knowledge; hybrid, client-facing role.
Windows Server, Active Directory, DHCP, DNS, Hyper-V, VMware, Citrix, RDS, LAN, WAN, VoIP, Security design, Azure, AWS, Microsoft 365, Intune
3mo
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Systems Administrator
Lafayette, Colorado, United States
$120k-$170k/yr OnsiteFull Time
5+ YOE5+ years in Systems Administration; DoD Secret clearance; TS/SCI eligible preferred; Linux/RHEL, virtualization (VMware/Hyper-V), cloud (AWS/Azure), RMF, networking, security
Linux, RHEL, VMware, Hyper-V, AWS, Azure, RMF, Networking
3mo
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MSP Level 3 Technician
Northglenn, Colorado, United States
$55k-$75k/yr HybridFull Time
5+ YOE5+ years IT support, 2+ years in Level 3 role; MSP experience preferred; Bachelor’s degree preferred; certifications such as CompTIA Network+, Security+, Azure Administrator, CCNA a plus; strong Windows/Linux, virtualization, cloud, networking, and security skills; good communication.
Windows, Linux, VMware, Hyper-V, Azure, AWS, SolarWinds, Auvik, NinjaRMM, Autotask PSA, ServiceNow, Zendesk, Hudu, IT Glue, SharePoint
3w
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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