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82 firewall engineer jobs at 48 companies in Colorado

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Firewall Engineer
Idaho Falls or Butte or Fort Collins
OnsiteFull Time, Temporary
MarCom
MarCom: Provides professional technical services for government nuclear facilities.
2+ YOEBachelor's degree, 2 years' experience (or equivalent). Implement IPv4/IPv6 on Palo Alto firewalls using Palo Alto Panorama; build interfaces and rulesets; validate and troubleshoot firewall traffic. Must be U.S. citizen.
Palo Alto Panorama, Palo Alto firewalls, IPv4, IPv6
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1mo
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Sr Principal Network Engineer
Aurora, Colorado, United States
$129k-$194k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
8+ YOEBachelor's in STEM with 8+ years or Master’s with 6+ years; TS/SCI with full-scope polygraph; Security+ certified; 20% travel; experience with WAN/LAN, routers, switches, firewalls, load balancers; engineering and design of network systems.
Cisco routers, Cisco switches, firewalls, load balancers, Linux, Windows, COMSEC equipment
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1mo
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Senior Systems Engineer – Security Integration
Aurora, Colorado, United States
$152k-$205k/yr OnsiteFull Time
Four Sea Group
Four Sea Group: Technical mission support and software engineering for aerospace.
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
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Sr Principal Network Engineer - Active Polygraph Required
Aurora, Colorado, United States
$129k-$194k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
8+ YOEActive TS/SCI with adjudicated full-scope polygraph, Security+ certification, 6–8+ years relevant network engineering experience (varies by degree), WAN expertise, and experience with routers, switches, firewalls, and load balancers.
Cisco, COMSEC, Linux, Microsoft Windows, routers, switches, firewalls, load balancers
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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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2mo
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Senior Network Engineer
Colorado Springs, Colorado, United States
$115k-$135k/yr OnsiteFull Time
Auria
Auria: Engineering and software solutions for space and defense missions.
7+ YOE7+ years in enterprise network engineering; Palo Alto firewalls; Cisco switching/routing; hybrid cloud networking; security-focused design; regulated environments experience.
Palo Alto firewalls, Cisco switching and routing, AWS Transit Gateway, Direct Connect, Site-to-site VPN, Zero Trust, Infrastructure as code, Network automation
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3mo
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Network Engineer III (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 Secret clearance and U.S. citizenship with passport, IAT‑Level II (8570) and CCNA or JNCIA, 3+ years network engineering experience with Cisco/Juniper and firewall tech, strong routing (BGP/OSPF) and troubleshooting skills, PowerPoint/Visio proficiency.
Cisco, Juniper, Fortinet, Palo Alto, PowerPoint, Visio, VMware NSX, vSAN, Aria, Ansible, TACLANE
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Senior Staff / Senior Network Engineer
Boulder, Colorado, United States
$145k-$204k/yr OnsiteFull Time
SciTec
SciTec: Provides advanced remote sensing and missile defense technology solutions.
6+ YOE6+ years network engineering experience, data center spine-leaf expertise, strong TCP/IP and routing (BGP/OSPF), WAN/LAN/firewall/VPN and SAN knowledge, Linux/Windows/VMware proficiency, ability to obtain DoD clearance.
Amazon Web Services, Microsoft Azure, SolarWinds, Cisco IOS, Linux, Windows, VMware, TACACS, Radius, Brocade
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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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Boundary Security Engineer
Fort Meade or Colorado Springs or Ford Island or Pensacola or San Antonio
$99k-$225k/yr HybridFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
4+ YOE4+ years in network security and IT/network design for large enterprises or government; firewall and enterprise security design; experience with Palo Alto and Cisco/Juniper firewalls; Secret clearance; HS diploma; DoD 8570 IAT Level II within 90 days.
Palo Alto firewalls, Cisco firewalls, Juniper firewalls, SIEM, Vulnerability assessment, IDS/IPS, IT security standards, Cloud platforms (AWS/Azure/GCP)
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2mo
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Power Systems Automation Engineer
Lakewood or Fairview Heights or Boerne
$84k-$144k/yr OnsiteFull Time
Schweitzer Engineering Laboratories
Schweitzer Engineering Laboratories: Manufactures digital systems that protect and automate power grids.
3+ YOEBachelor's in Electrical Engineering or Computer Science; 3+ years in power systems automation and communication; experience with utility/industrial power systems, SCADA and protocols.
SCADA, DNP3, Modbus, IEC 61850, Ethernet/IP, OPC UA, RTUs, RTACs, IEDs, SEL Relays, PLC, HMI, Serial Communications, Ethernet, Firewalls, Security Gateways, Terminal Servers, Cellular Routers, Managed Switches, SDN, IEC 61131-3, Structured Text, Wireshark
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Network Engineer
Denver, Colorado, United States
$80k-$100k/yr OnsiteFull Time
bet365
bet365: Provides global online sports betting and digital casino games.
Experience configuring and troubleshooting switches, routers, firewalls and access points; knowledge of OSPF, BGP, VLANs, TCP/IP, DHCP, DNS, NAT; strong problem-solving and documentation skills.
Ethernet, TCP, IP, VLANs, OSPF, BGP, DHCP, DNS, NAT, Switches, Routers, Firewalls, Wireless access points
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Network Engineer (TS/Q Clearance required)
Washington or Albuquerque or Germantown or Denver
$111k-$150k/yr OnsiteFull Time
GDIT
GDITNYSE: GD: Delivers IT and mission services to government agencies.
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
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1mo
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Cybersecurity Engineer
Denver or United States
$80k-$120k/yr RemoteFull Time
Apollo Information Systems
Apollo Information Systems: Provides intelligence-led cybersecurity services and managed security programs.
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
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Forward Deployed Engineer
Washington, DC or Raleigh or Durham or Chapel Hill or Denver or Colorado Springs or Dallas or Fort Worth
$105k-$141k/yr RemoteFull Time
Second Front Systems
Second Front Systems: Secure cloud hosting and automated compliance for government software.
3+ YOEDoD TS/SCI eligibility required, U.S. citizenship, reside near approved hubs; 3+ years in systems deployment/operations in regulated environments; Linux, Kubernetes, Helm, cloud (AWS/Azure/GCP), networking, CI/CD, automation (Go/Rust/Python/Bash), and client-facing troubleshooting experience.
Linux, Ubuntu, CentOS, RedHat, Kubernetes, Helm, AWS, Azure, GCP, CI/CD, VPNs, VLANs, firewalls, Go, Rust, Python, Bash, Prometheus, Grafana, Talos Linux, Docker, Istio, Git, GitLab, Terraform, FedRAMP, NIST
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1mo
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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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Senior DevOps Engineer - Lunar Permanence
Seattle or Denver
$182k-$277k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
8+ YOEBS or equivalent,8+ years experience,expertise in Linux,Docker,CI/CD,AWS,Terraform/CloudFormation,Kubernetes and Rancher,RKE2,Longhorn,monitoring (Loki,Prometheus),HashiCorp tools,Python,GitLab,with safety-critical or aerospace experience preferred.
Linux, Docker, Continuous Integration and Delivery (CI/CD), AWS, Terraform, CloudFormation, VPC, Subnets, Firewalls, VPNs, Kubernetes, Rancher, RKE2, Longhorn, Alloy, Loki, Prometheus, Hashicorp Consul, Hashicorp Vault, Python, GitLab, git, Ansible, C, C++
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2mo
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Boundary Security Engineer
Fort Meade or Pensacola or Ford Island or Colorado Springs or San Antonio
$99k-$225k/yr RemoteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
4+ YOE4+ years in network security for large enterprises/government; firewall design; Palo Alto and Cisco/Juniper experience; Secret clearance; HS diploma or GED; DoD 8570 IAT Level II certification within 90 days.
Palo Alto firewall, Cisco firewall, Juniper firewall, SIEM, IDS/IPS, vulnerability assessment, intrusion detection, network security tools
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1mo
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Supervisor Network Engineer
Cedar Rapids or Denver or Philadelphia
$109k-$140k/yr HybridFull Time
Transamerica
TransamericaNYSE: AEG: Provides insurance, retirement solutions, and investment products to customers.
5+ YOE1+ MgmtBachelor's in CS/IS or equivalent, 5+ years enterprise network engineering, 1+ years leading others, experience with LAN/WAN, routing/switching, wireless, firewalls, load balancers, circuit/vendor management, and change/incident processes.
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1mo
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Network Engineer
Downers Grove or Chicago or Springfield or Phoenix or Lansing or Grand Rapids or Milwaukee or Denver
$80k-$100k/yr HybridFull Time
Sentinel Technologies
Sentinel Technologies: Provides managed IT services and comprehensive technology solutions.
CCNP-level routing and switching expertise, enterprise network engineering experience, strong knowledge of BGP/OSPF/EIGRP/VLANs/STP, hands-on with F5, DNS, DHCP and firewalls, troubleshooting, mentoring, valid driver's license and vehicle insurance, legally authorized to work in the US.
BGP, OSPF, EIGRP, VLAN, STP, DNS, DHCP, F5, Cisco, VMware, Microsoft
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