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Senior Firewall Engineer Jobs in Colorado (NOW HIRING)

Senior Network Engineer/Developer

Denver, CO · On-site

$107K - $146K/yr

Responsibilities & Qualifications RESPONSIBILITIES The Senior Network Engineer/Developer is ... Maintain deep technical expertise across routers, multiplexers, firewalls, hubs, bridges, gateways ...

Senior Network Engineer

Greenwood Village, CO · On-site

$102K - $140K/yr

The Opportunity The Senior Network Engineer supports the Senior Network Architect in designing ... Understanding network security and firewall policy * ITIL environment of formal Change processes ...

Sr. Systems Engineer Location: Denver, CO (Hybrid) Salary Range: $100k to $110k Overview This is a ... switches, firewalls & routers. * Extensive experience in one or more cloud-based technologies ...

Showing results 41-60

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.

Senior Network Engineer/Developer

TekSynap

Denver, CO • On-site

$107K - $146K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 11 days ago


TekSynap rating

8.1

Company rating: 8.1 out of 10

Based on 5 frontline employees who took The Breakroom Quiz

62nd of 224 rated it services


Job description

Responsibilities & Qualifications

RESPONSIBILITIES

The Senior Network Engineer/Developer is expected to be able to accomplish the following:

  • Develop specifications and detailed schematics for network architecture.  
  • Conduct costbenefit analyses and support hardware/software selection decisions.  
  • Perform testing and validation of network designs.  
  • Monitor network hardware to verify proper configuration and performance.  
  • Plan and execute network enhancements and upgrades.  
  • Advise users on hardware requirements, configurations, and limitations.  
  • Maintain deep technical expertise across routers, multiplexers, firewalls, hubs, bridges, gateways, and related infrastructure.  
  • Evaluate emerging communications technologies for future deployment.  

REQUIRED QUALIFICATIONS

  • Active TS/SCI + CI Poly clearance
  • BS, 12-15 years of relevant experience; MS, 10-13 years; PhD, 10+ years
  • One or more of the following DoD 8570/CS-NET-441 certifications: 
    • CASP+
    • CISSP
    • GCED
  • One or more of the following network certifications:
    • Cisco Certified Network Professional (CCNP Enterprise/Security)  
    • Cisco Certified Internetwork Expert (CCIE)  
    • Juniper Networks Certified Professional (JNCIP)  

DESIRED QUALIFICATIONS

  • AWS Solutions Architect - Associate/Professional (if cloud networking is in scope)  
  • Microsoft or VMware networking-related certifications 
  • Azure Network Engineer Associate 
  • Palo Alto PCNSE 
  • Check Point CCSA/CCSE 
  • Cisco DevNet Professional 
  • Python automation certifications 
  • Ansible Network Automation certification 
Overview

We are seeking a Senior Network Engineer/Developer to join our Task Order proposal on the Defense Intelligence Agency's Solutions for the Information Technology Enterprise III (SITE III). The Senior Network Engineer/Developer will design, plan, develop, test, secure, and optimize enterpriselevel network solutions in support of mission-critical operations. This position plays a key part in the architecture, evaluation, deployment, and modernization of network communications systems across the agency. 

TekSynap is a fast-growing high-tech company that understands both the pace of technology today and the need to have a comprehensive well planned information management environment. "Technology moving at the speed of thought" embodies these principles - the need to nimbly utilize the best that information technology offers to meet the business needs of our Federal Government customers.

We offer our full-time employees a competitive benefits package to include health, dental, vision, 401K, life insurance, short-term and long-term disability plans, vacation time and holidays.

Visit us at www.TekSynap.com. 

Apply now to explore jobs with us!  

The safety and health of our employees is of the utmost importance. Employees are required to comply with any vaccination requirements mandated by contract, applicable law or regulation.

By applying to a role at TekSynap you are providing consent to receive text messages regarding your interview and employment status.  If at any time you would like to opt out of text messaging, respond "STOP". 

As part of the application process, you agree that TekSynap Corporation may retain and use your name, e-mail, and contact information for purposes related to employment consideration.

Additional Job Information

WORK ENVIRONMENT AND PHYSICAL DEMANDS

The work environment characteristics described here are representative of those an employee encounters while performing the essential functions of the job. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions.

  • Location: Annapolis Junction, MD or Denver, CO
  • Type of environment: Varies
  • Noise level: Low
  • Work schedule: Non-standard shift
  • Amount of Travel: 20%

PHYSICAL DEMANDS

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job.  Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

While performing the duties of this job, the employee is regularly required to use hands to grip, handle, or feel; reach with hands and arms; and talk or hear. The employee is regularly required to stand; walk; sit; climb or balance; and stoop, kneel, crouch, or crawl. The employee is regularly required to lift up to 10 pounds.

The employee is frequently required to lift up to 25 pounds; and up to 50 pounds. The vision requirements include close vision, distance vision, peripheral vision, depth perception, and ability to adjust focus.

WORK AUTHORIZATION/SECURITY CLEARANCE

  • U.S. Citizenship
  • Active TS/SCI + CI Poly clearance

OTHER INFORMATION

Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities and activities may change at any time with or without notice.

TekSynap is a drug-free workplace. We reserve the right to conduct drug testing in accordance with federal, state, and local laws. All employees and candidates may be subject to drug screening if deemed necessary to ensure a safe and compliant working environment.

Many positions require specific certifications and/or the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens.  Applicants who accept an offer of employment may be subject to investigations performed by TekSynap and/or the Government to verify the candidate meets the required qualifications and other eligibility requirements. 

WAGE INFORMATION

Target salary range: $130,000.00 - $160,000.00. The salary range displayed is an estimate only and is not a guarantee of compensation or salary, and will be determined on several factors regarding the individual's particular combination of education, knowledge, skills, competencies and experience, as well as contract parameters and organizational requirements.  The displayed salary is one component of the total compensation package for employees.  

EQUAL EMPLOYMENT OPPORTUNITY

In order to provide equal employment and advancement opportunities to all individuals, employment decisions will be based on merit, qualifications, and abilities. TekSynap does not discriminate against any person because of race, color, creed, religion, sex, sexual orientation, gender identity, protected veteran status, national origin, disability, age, genetic information or any other characteristic protected by law (referred to as "protected status"). This nondiscrimination policy extends to all terms, conditions, and privileges of employment as well as the use of all company facilities, participation in all company-sponsored activities, and all employment actions such as promotions, compensation, benefits, and termination of employment.

TekSynap is committed to ensuring that our online application process provides an equal employment opportunity to all job seekers, including individuals with disabilities. If you believe you need a reasonable accommodation in order to search for a job opening or to submit an application, please contact hr@teksynap.com for assistance.

Employment Type: FULL_TIME

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