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Senior Firewall Engineer Jobs in Colorado (NOW HIRING)

Sr. Network Engineer

Denver, CO ยท On-site

$107K - $146K/yr

... Senior Consultants Provide onsite and ongoing technical service and support during and after ... Checkpoint firewalls, Nexus, Juniper routers / Switches Cisco Call Manager Minimum 5 years of ...

Senior Network Engineer

Denver, CO ยท On-site +1

$90K - $100K/yr

SENIOR NETWORK ENGINEER Department: Network Engineering Reports To: EVP of Engineering POSITION ... Develop and deploy configurations for routers, switches, servers, firewalls, and other core network ...

New

Senior Sales Engineer, Enterprise Air

Denver, CO ยท Remote

$107K - $147K/yr

As a results-driven Senior Sales Engineer here, you'll enjoy a fast-paced, evangelistic startup ... Solid knowledge of networking fundamentals (TCP/IP, DNS, VLANs, firewalls, VPNs, PoE)Familiarity ...

Senior Infrastructure Engineer

Aurora, CO ยท On-site

$110K - $149K/yr

SciTec has an immediate opportunity for a talented Senior Infrastructure Engineer to join our team ... In-depth experience designing, deploying, and managing firewalls * A bachelor's degree in computer ...

Showing results 21-40

Senior Firewall Engineer information

See Colorado salary details

$19

$63

$89

How much do senior firewall engineer jobs pay per hour?

As of Aug 21, 2026, the average hourly pay for senior firewall engineer in Colorado is $63.47, according to ZipRecruiter salary data. Most workers in this role earn between $58.37 and $74.33 per hour, depending on experience, location, and employer.

What does a senior firewall engineer do?

A Senior Firewall Engineer is responsible for designing, implementing, and managing network security solutions, primarily focusing on firewalls. They assess organizational security needs, configure firewall rules, monitor network traffic for security threats, and troubleshoot issues related to firewalls. Additionally, they stay updated on the latest security threats and firewall technologies, ensuring the organization's network remains protected against unauthorized access or attacks. They often lead security projects and may mentor junior engineers within the team.

What are the key skills and qualifications needed to thrive as a senior firewall engineer?

To thrive as a Senior Firewall Engineer, you need deep expertise in network security, firewall management, and risk assessment, typically backed by a degree in computer science or a related field and relevant certifications like CISSP or CCNP Security. Mastery of firewall platforms (such as Palo Alto, Fortinet, or Cisco ASA), intrusion detection/prevention systems, and network monitoring tools is essential. Strong problem-solving skills, attention to detail, and effective communication set top performers apart in this role. These skills ensure robust network protection, minimize vulnerabilities, and support secure business operations in complex IT environments.

What are the typical challenges a senior firewall engineer faces when managing complex network environments?

Senior Firewall Engineers often encounter challenges such as balancing security requirements with network performance, managing policy changes across multiple devices, and staying ahead of emerging threats. They must frequently coordinate with other IT teams to ensure firewall rules do not inadvertently disrupt business-critical applications. Additionally, staying current with evolving technologies and compliance regulations is crucial, as is documenting configurations and troubleshooting issues quickly to minimize downtime.

What is the difference between Senior Firewall Engineer vs Network Security Engineer?

AspectSenior Firewall EngineerNetwork Security Engineer
CertificationsCCNP, CISSP, Cisco ASACISSP, CompTIA Security+, Cisco CCNA Security
Work EnvironmentFocus on firewall configuration, management, and policy enforcementBroader security infrastructure, including firewalls, IDS/IPS, VPNs
Industry UsagePrimarily in network security teams, IT departmentsAcross cybersecurity teams, network operations

The Senior Firewall Engineer specializes in designing, implementing, and managing firewall solutions, focusing on network perimeter security. In contrast, a Network Security Engineer has a broader role, covering various security tools and protocols. Both roles require similar certifications and are vital in maintaining organizational cybersecurity defenses, but their scope and focus differ.

What job categories do people searching Senior Firewall Engineer jobs in Colorado look for?

The top searched job categories for Senior Firewall Engineer jobs in Colorado are:

Infographic showing various Senior Firewall Engineer job openings in Colorado as of August 2026, with employment types broken down into 92% Full Time, 4% Part Time, 1% Temporary, and 3% Contract. Highlights an 85% Physical, 6% Hybrid, and 9% Remote job distribution, with an average salary of $132,020 per year, or $63.5 per hour.

Evergreen: Senior Network/Security Engineer

Ad Hoc LLC

Evergreen, CO โ€ข On-site

$153 - $187/hr

Other

Medical, Dental, Vision, Retirement, PTO

Posted 16 days ago


Job description

Evergreen: Senior Network/Security Engineer

Ad Hoc is a technology company that empowers organizations to deliver scalable, impactful digital services. Using modern, agile methods, our team creates products that meet peopleโ€™s needs and transform their experience of government.

Primary Responsibilities

Experience with Palo Alto, Panorama OS (PAN-OS), Firewalls, SIEM, Security Configuration Management (SCM), migration, security and compliance, RBAC and access models, Data Loss Prevention (DLP), Strata Cloud Manager

Operate and engineer enterprise web proxy, deliver reliable policy changes, and diagnose issues down to packet level.

  • Configuring Network ACLs, firewalls, and security groups to enforce policy and isolate sensitive workloads.
  • Design secure network infrastructure enforcing Zero Trust principles for the DXP.
  • Ensure 100% compliance with IRS/NIST boundary protection standards.
  • Forward/reverse proxy modes; explicit vs transparent; PAC/WPAD design and distribution.
  • Safe bypass strategies (domain/SNI/IP/risk-based) without degrading coverage.
  • Layer 3 & Internet Fundamentals
    • Routing & addressing (CIDR, MTU/fragmentation/PMTUD, NAT44/66, VRFs), basic BGP/OSPF, DNS recursion/forwarding and failure modes.
  • Ports & Protocols
    • TCP/UDP behavior, ephemeral ranges, TLS handshake/SNI, and middlebox interactions (no QUIC/HTTP-3 requirement).
  • PCRE
    • Writes and reviews complex PCRE (lookarounds, backreferences, atomic groups) with an eye for performance (avoid catastrophic backtracking).
  • Troubleshooting: Packets + Analytics
    • tcpdump/Wireshark proficiency (TLS/HTTP analysis, TCP dynamics).
    • Log correlation at scale (e.g., Splunk/ELK) to isolate issues off-box (client, network, IdP, upstream).
    • Can distinguish origin responses vs proxy-generated errors and document root cause.
  • Clear stakeholder comms; triage correctly under loadโ€”doesnโ€™t treat every noisy issue as P1.
Goals
  • Normalize firewall / Panorama versions
  • Get Panorama 12.x integrated with Strata Cloud Manager as the โ€œrealโ€ central manager
  • Upgrade the DLP plug-in so it works cleanly in SCM
Preferred Qualifications
  • Current or previous Federal Government Clearance
  • Companyโ€‘subsidized health, dental, and vision insurance
  • Flexible PTO
  • 401(k) with employer match
  • Paid parental leave after one year of service
  • Employee Assistance Program

Ad Hoc LLC is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, national origin, ancestry, sex, sexual orientation, gender identity or expression, religion, age, pregnancy, disability, workโ€‘related injury, covered veteran status, political ideology, marital status, or any other factor that the law protects from employment discrimination.

We value the unique skills gained through military service and encourage veterans and transitioning service members to apply.

In support of various state and city equal pay transparency laws, Ad Hoc job descriptions feature the starting range we reasonably expect to pay to candidates who would join our team with little to no need for training on the responsibilities we've outlined above. Actual compensation is influenced by a wide range of factors including but not limited to skill set, level of experience, and responsibility. The range of starting pay for this role is $153,000-187,000. Our recruiters will be happy to answer any questions you may have, and we look forward to learning more about your salary requirements.

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