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Network Infrastructure Security Manager Jobs in Colorado

Network Architect III

Denver, CO · On-site

$66.75 - $89.25/hr

Network Engineer | Enterprise Infrastructure & Security Join a growing technology team focused on modernizing and securing a complex enterprise network environment. This role offers the opportunity ...

Network Security Engineer III

Colorado Springs, CO · On-site

$103K - $140K/yr

... infrastructure design, deployment, or operations * Networking and security concepts, including routing, switching, firewalls, monitoring, and access management * Supporting network reliability ...

Network Security Engineer III

Colorado Springs, CO · On-site

$103K - $140K/yr

... infrastructure design, deployment, or operations * Networking and security concepts, including routing, switching, firewalls, monitoring, and access management * Supporting network reliability ...

... their security infrastructure. The role involves configuring firewalls, managing VPNs, and coordinating with vendors for network implementations. Responsibilities : • Hands on experience in ...

In this role, you will monitor, analyze, and protect the organization's network infrastructure against potential threats and vulnerabilities. You will be responsible for identifying security risks ...

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Showing results 1-20

Network Infrastructure Security Manager information

Infographic showing various Network Infrastructure Security Manager job openings in Colorado as of August 2026, with employment types broken down into 87% Full Time, 12% Part Time, and 1% Contract. Highlights an 84% Physical, 3% Hybrid, and 13% Remote job distribution.

Network Security Administrator (Colorado Local Candidates Only)

Denver, CO • On-site

Centstone
Recruiting and Staffing Services • 51 - 200 employees

Contractor

Re-posted 4 days ago


Key responsibilities

  • Review, implement, and manage firewall service requests, security policies, change requests, and network security configurations.

  • Configure, administer, and troubleshoot Palo Alto Next-Generation Firewalls, Cisco ASA Firewalls, NAT, Security Zones, VPNs, and firewall rule management.

  • Troubleshoot network security incidents, resolve break-fix issues, and support enterprise infrastructure modernization initiatives.


Job description

Network Security Administrator (Colorado Local Candidates Only)

Location: Remote – Colorado (Local Candidates Only)

Employment Type: Contract

Experience: Minimum 8+ Years Required

About the Role

We are seeking an experienced Network Security Administrator / Cyber Security Administrator to support enterprise network security operations for a large-scale government environment. This role is responsible for administering, configuring, and maintaining secure network infrastructure while supporting firewall operations, security compliance, infrastructure modernization, and incident resolution.

The ideal candidate will have strong hands-on experience with Palo Alto Next-Generation Firewalls, Cisco ASA Firewalls, VPN technologies, and enterprise network security administration. This is a remote position, however only candidates currently residing in Colorado will be considered.

Responsibilities
  • Review, implement, and manage firewall service requests, security policies, change requests, and network security configurations.

  • Configure, administer, and troubleshoot Palo Alto Next-Generation Firewalls, Cisco ASA Firewalls, NAT, Security Zones, VPNs, and firewall rule management.

  • Troubleshoot network security incidents, resolve break-fix issues, and support enterprise infrastructure modernization initiatives.

  • Support firewall hardware lifecycle activities, End-of-Life (EOL) replacement projects, and security compliance requirements.

  • Maintain technical documentation, participate in scheduled maintenance activities, and provide weekly on-call support while collaborating with cross-functional IT and security teams.

Requirements
  • Must be a current Colorado resident (Local Candidates Only).

  • Minimum 8+ years of Network Security, Cyber Security, or Firewall Administration experience.

  • Strong hands-on experience with Palo Alto Firewalls, Cisco ASA Firewalls, Site-to-Site VPN, NAT, Security Policies, Routing, TCP/IP, and Network Troubleshooting.

  • Experience supporting network security compliance, firewall security controls, infrastructure security, and enterprise network environments.

  • Excellent analytical, troubleshooting, communication, documentation, and problem-solving skills with the ability to support after-hours maintenance and participate in an on-call rotation.

Required Skills

Palo Alto Next-Generation Firewalls, Cisco ASA, Firewall Administration, Network Security, Cyber Security, Security Policies, Security Zones, NAT, Site-to-Site VPN, VPN Administration, Firewall Rule Management, Threat Prevention, TCP/IP, Routing, Subnetting, OSI Model, Network Troubleshooting, Infrastructure Security, Change Management, Break-Fix Support, Security Configuration Management, Hardware Lifecycle Management, End-of-Life (EOL) Refresh, Compliance, IRS Security Standards, FBI Security Standards, Criminal Justice Information (CJI), Documentation, Incident Resolution

Important Eligibility
  • Colorado local candidates only.

  • Candidates must currently reside in the State of Colorado.

  • Remote position with occasional participation in scheduled maintenance and on-call support.

  • Candidates must be available to participate in a weekly on-call rotation.

  • Out-of-state candidates will not be considered.

If you are an experienced Network Security Administrator / Cyber Security Administrator with strong firewall administration and enterprise network security expertise, we encourage you to apply with your updated resume for immediate consideration.


Centstone logo

About Centstone

Sourced by ZipRecruiter

In the dynamic landscape of today’s business environment, flexibility is key. At Centstone, we understand the unique demands of your industry and offer tailored Contract Hiring solutions to empower your organization with the right talent when you need it most.

Industry

Recruiting and staffing services

Company size

51 - 200 Employees

Headquarters location

Hazlet, NJ, US

Year founded

2022

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