HiringCafe
Join our community

42 firewall engineer jobs at 27 companies in Denver, CO

2mo
Save
Mark Applied
Hide
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
Job PostingView all
2mo
Save
Mark Applied
Hide
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
Job PostingView all
1mo
Save
Mark Applied
Hide
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
Job PostingView all
2mo
Save
Mark Applied
Hide
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
Job PostingView all
1w
Save
Mark Applied
Hide
Network Engineer
Denver, Colorado, United States
$80k-$100k/yr OnsiteFull Time
bet365
bet365: Provides global online sports betting and digital casino games.
Proficient configuring and troubleshooting routers, switches, firewalls and access points; strong knowledge of OSPF, BGP, VLANs, TCP/IP, DHCP, DNS and VPN; strong documentation and communication skills.
OSPF, BGP, DHCP, DNS, NAT, Ethernet, TCP, IP, VLAN, routers, switches, firewalls, VPN
Job PostingView all
1mo
Save
Mark Applied
Hide
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
Job PostingView all
1mo
Save
Mark Applied
Hide
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
Job PostingView all
1mo
Save
Mark Applied
Hide
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
Job PostingView all
1w
Save
Mark Applied
Hide
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++
Job PostingView all
1mo
Save
Mark Applied
Hide
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.
Job PostingView all
2mo
Save
Mark Applied
Hide
Enterprise Network Engineer III
Denver or Charleston or Huntsville or Sanford or Augusta or Livonia or Montgomery or Panama City or Pinellas Park or Madison Heights
$125k/yr HybridFull Time
WOW!
WOW!: Provides broadband internet, cable television, and digital phone services.
4+ YOE4+ years of enterprise network engineering; LAN/WAN, routers, switches, firewalls; OSFP ISIS BGP MPLS SR; Bachelor’s in IT/CS or equivalent
Microsoft Office Suite, ServiceNow, Lucidchart, Microsoft Visio, Omnigraffle, Workday HCM, NetSuite
Job PostingView all
1w
Save
Mark Applied
Hide
Sr. Field Service Engineer / Sr Systems Administrator
Lafayette, Colorado, United States
$95k-$143k/yr RemoteFull Time
Medtronic
MedtronicNew York Stock Exchange: MDT: Develops and manufactures medical devices and digital health solutions.
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
Job PostingView all
1mo
Save
Mark Applied
Hide
Network Engineer
Highlands Ranch, Colorado, United States
$99k-$116k/yr HybridFull Time
UDR
UDRNYSE: UDR: Owns and manages multifamily apartment communities in the US.
2+ YOE2+ years networking experience, bachelor\u0002s or equivalent, experience with routing/switching, firewalls, wireless, documentation, and on-call support; CCNA or CompTIA Network+ preferred.
Cisco, Ruckus, Palo Alto NGFW, Panorama, F5 BIG-IP, Arista, LogicMonitor, NetBox, Ansible, ServiceNow, Zscaler, Microsoft Azure
Job PostingView all
1mo
Save
Mark Applied
Hide
Senior Network Engineer
Boulder, Colorado, United States
$96k-$136k/yr HybridFull Time
ANG SIGNAL
ANG SIGNAL: IT and engineering services provider for government and commercial sectors.
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
Job PostingView all
2w
Save
Mark Applied
Hide
IT Engineer - Network & Security
Naperville or Denver
$120k-$130k/yr HybridFull Time
PTMA Financial Solutions
PTMA Financial Solutions: Provides treasury and investment services to public sector entities.
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
Job PostingView all
6d
Save
Mark Applied
Hide
Senior Cybersecurity Engineer
Berthoud, Colorado, United States
$130k-$162k/yr OnsiteFull Time
Ursa Major
Ursa Major: Designs and manufactures rocket engines and aerospace propulsion systems.
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
Job PostingView all
2mo
Save
Mark Applied
Hide
Network Engineer
Annapolis Junction or Aurora
$72-$111/hr OnsiteFull Time
EverWatch
EverWatch: Develops software and intelligence systems for government agencies.
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
Job PostingView all
1mo
Save
Mark Applied
Hide
Presales Systems Engineer - SASE
Durham or Denver or Fort Collins
$121k-$284k/yr RemoteFull Time
Hewlett Packard Enterprise
Hewlett Packard EnterpriseNYSE: HPE: Provides global edge-to-cloud technology solutions and IT infrastructure services.
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
Job PostingView all
2mo
Save
Mark Applied
Hide
Tier III – Technical Support & Network Engineer (EMEA)
Denver, Colorado, United States
$100k-$120k/yr OnsiteFull Time
Todyl
Todyl: Provides a unified cloud-native cybersecurity platform for small businesses.
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
Job PostingView all
1w
Save
Mark Applied
Hide
IT OT Network Engineer
Centennial, Colorado, United States
$95k-$125k/yr OnsiteFull Time
Takkion
Takkion: Maintains and repairs renewable energy infrastructure and equipment.
5+ YOE5+ years administering enterprise or industrial networks; bachelor\u0002s (or equivalent) in IT/CS/EE; experience with industrial networking, firewalls, VPNs, Azure, virtualization, SQL databases, and industrial cybersecurity.
Microsoft Azure, VMware, Hyper-V, PowerShell, Python, Microsoft SQL Server, PostgreSQL, MySQL, Fortinet, Cisco, Palo Alto Networks
Job PostingView all

Explore Jobs

Expand Your Job Search