Firewall Engineer Jobs
Firewall Engineer jobs are open across financial services, defense, healthcare, and enterprise technology, from entry-level network security analyst roles to senior and principal engineer positions, with specializations in next-generation firewall configuration, zero-trust architecture, and cloud security. See the openings below and apply to the ones that match your experience.
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The Opportunity:
CACI is seeking a Senior Network Engineer (Firewall) for the Global Mission Operations Support (GMOS) contract, supporting the Department of State. This role offers a unique opportunity to enhance national security through advanced IT solutions. You will collaborate with experienced professionals in an innovative environment, guiding a high-performing team to deliver excellence. The GMOS contract aims to provide world-class IT support by modernizing and maintaining applications and infrastructure using an integrated IT Service Management approach. Join us to make a meaningful impact on a program of national importance.
Responsibilities:
- Lead implementation and management of micro-segmentation platforms, web application firewalls and Next-Generation Firewalls (NGFWs) across 350+ global facilities supporting mission-critical diplomatic operations
- Lead troubleshooting of complex firewall issues, coordinating with DT teams and facilitating secure connectivity with Government agencies and partner organizations
- Lead design, creation, implementation, and troubleshooting of Firewall Rules for networking devices and application communications, ensuring security while enabling business operations
- Design and implement comprehensive high-availability solutions including load balancing, denial of service detection and remediation leveraging modern network security technologies
- Lead coordination with DT Firewall Advisory Board for rule submissions, ensuring compliance with Department of State firewall policies and security standards
- Lead network component tuning activities to maintain optimum performance and security posture in accordance with change management procedures and best practices
- Develop comprehensive firewall standards, procedures manuals, and performance management procedures meeting DT/EA/CST requirements and federal compliance frameworks
- Conduct firewall security assessments, vulnerability analysis, and threat modeling to proactively identify and mitigate potential security risks
- Function as a technical expert across multiple project assignments, planning and leading major firewall infrastructure initiatives while mentoring team members and supervising network security operations
Qualifications:
Required –
- Bachelor's degree + 8 years of experience in related fields, such as network engineering, network security, firewall administration, cybersecurity, or infrastructure engineering; equivalencies considered.
- Active Secret Clearance
- Proven experience implementing and managing Next-Generation Firewalls (NGFWs), web application firewalls, and enterprise firewall architectures for large-scale environments
- Demonstrated expertise in firewall rule design, high-availability configurations, load balancing, and denial of service (DoS) mitigation strategies
- Excellent leadership abilities with proven experience planning and leading firewall infrastructure projects, functioning as a subject matter expert, and supervising network security teams
Desired –
- Prior experience supporting federal agencies, especially the Department of State
- Professional certifications such as Palo Alto Networks Certified Network Security Engineer (PCNSE), Cisco CCNP Security, F5 Certified Technology Specialist (F5-CTS), or CISSP
- Knowledge of Software-Defined Networking (SDN), network segmentation strategies, and experience supporting 300+ geographically distributed facilities
- Demonstrated experience building and managing micro-segmentation platforms such as Illumio and VMware NSX-T
- Experience with Firewall Advisory Boards, security policy development, and compliance with federal security frameworks (NIST, FISMA)
- Knowledge of Software-Defined Networking (SDN), network segmentation strategies, and experience supporting 300+ geographically distributed facilities
What You Can Expect:
A culture of integrity.
At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation.
An environment of trust.
CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.
A focus on continuous growth.
Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy.
Pay Range :
There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.
The proposed salary range for this position is:
$103,800 - $218,100
The Opportunity:
CACI is seeking a Senior Network Engineer (Firewall) for the Global Mission Operations Support (GMOS) contract, supporting the Department of State. This role offers a unique opportunity to enhance national security through advanced IT solutions. You will collaborate with experienced professionals in an innovative environment, guiding a high-performing team to deliver excellence. The GMOS contract aims to provide world-class IT support by modernizing and maintaining applications and infrastructure using an integrated IT Service Management approach. Join us to make a meaningful impact on a program of national importance.
Responsibilities:
- Lead implementation and management of micro-segmentation platforms, web application firewalls and Next-Generation Firewalls (NGFWs) across 350+ global facilities supporting mission-critical diplomatic operations
- Lead troubleshooting of complex firewall issues, coordinating with DT teams and facilitating secure connectivity with Government agencies and partner organizations
- Lead design, creation, implementation, and troubleshooting of Firewall Rules for networking devices and application communications, ensuring security while enabling business operations
- Design and implement comprehensive high-availability solutions including load balancing, denial of service detection and remediation leveraging modern network security technologies
- Lead coordination with DT Firewall Advisory Board for rule submissions, ensuring compliance with Department of State firewall policies and security standards
- Lead network component tuning activities to maintain optimum performance and security posture in accordance with change management procedures and best practices
- Develop comprehensive firewall standards, procedures manuals, and performance management procedures meeting DT/EA/CST requirements and federal compliance frameworks
- Conduct firewall security assessments, vulnerability analysis, and threat modeling to proactively identify and mitigate potential security risks
- Function as a technical expert across multiple project assignments, planning and leading major firewall infrastructure initiatives while mentoring team members and supervising network security operations
Qualifications:
Required –
- Bachelor's degree + 8 years of experience in related fields, such as network engineering, network security, firewall administration, cybersecurity, or infrastructure engineering; equivalencies considered.
- Active Secret Clearance
- Proven experience implementing and managing Next-Generation Firewalls (NGFWs), web application firewalls, and enterprise firewall architectures for large-scale environments
- Demonstrated expertise in firewall rule design, high-availability configurations, load balancing, and denial of service (DoS) mitigation strategies
- Excellent leadership abilities with proven experience planning and leading firewall infrastructure projects, functioning as a subject matter expert, and supervising network security teams
Desired –
- Prior experience supporting federal agencies, especially the Department of State
- Professional certifications such as Palo Alto Networks Certified Network Security Engineer (PCNSE), Cisco CCNP Security, F5 Certified Technology Specialist (F5-CTS), or CISSP
- Knowledge of Software-Defined Networking (SDN), network segmentation strategies, and experience supporting 300+ geographically distributed facilities
- Demonstrated experience building and managing micro-segmentation platforms such as Illumio and VMware NSX-T
- Experience with Firewall Advisory Boards, security policy development, and compliance with federal security frameworks (NIST, FISMA)
- Knowledge of Software-Defined Networking (SDN), network segmentation strategies, and experience supporting 300+ geographically distributed facilities
What You Can Expect:
A culture of integrity.
At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation.
An environment of trust.
CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.
A focus on continuous growth.
Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy.
Pay Range :
There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.
The proposed salary range for this position is:
$103,800 - $218,100See All 38 Firewall Engineer Jobs
Find roles that match your experience and apply in just a few clicks.
Find Firewall Engineer JobsFirewall Engineer Job Market
Who's Hiring
Top Industries Hiring
- Technology & Software
- Energy
- Education
- Media & Entertainment
- Investment & Asset Management
What Employers Look For
The qualifications that appear most often in firewall engineer jobs.
- Hands-on experience configuring and managing enterprise firewalls such as Palo Alto, Fortinet, or Cisco ASA
- Proficiency in network protocols including TCP/IP, BGP, OSPF, and VPN technologies
- Experience with firewall policy review, rule cleanup, and access control list management
- Relevant certifications such as PCNSE, CCNP Security, or Check Point CCSA
- Familiarity with SIEM platforms and integrating firewall logs into security monitoring workflows
- Bachelor's degree in computer science, information technology, or a related field, or equivalent work experience
Tips for Your Firewall Engineer Job Search
Align your resume to firewall platforms
Recruiters scan for specific vendor names like Palo Alto Networks, Fortinet, and Cisco ASA. List every platform you've configured or managed, including firmware versions if relevant, so your resume clears automated screening before a human ever reads it.
Lead with certifications above your summary
PCNSE, CCNP Security, and CCSA carry real weight in firewall engineer postings. If you hold any of these, place them in a dedicated line near the top of your resume so hiring managers spot them before reading your work history.
Apply early to roles that fit
Migrate Mate lists firewall engineer openings from across the United States in one place, so you can find roles that match and apply directly to each listing.
Target postings by compliance environment
Many firewall engineer roles center on a specific regulatory framework, PCI-DSS, HIPAA, or FedRAMP. Filtering for these terms in your search surfaces roles where your compliance experience is a direct match, not just a nice-to-have.
Prepare a firewall policy walkthrough
Interviewers frequently ask you to explain how you built or audited a specific ruleset. Walk through a real example you can describe in detail, covering the business requirement, your policy logic, and how you tested and validated it without disrupting traffic.
Negotiate around on-call and change windows
Firewall engineers often own emergency maintenance windows and after-hours outage response. Before accepting an offer, ask how change requests are scheduled, what on-call rotation looks like, and whether a stipend or comp time applies.
Firewall Engineer Jobs: Frequently Asked Questions
Which companies are hiring the most firewall engineers?
Peraton, Amazon, and CACI International are hiring the most firewall engineers right now, with openings concentrated in Virginia, Texas, and District of Columbia, based on current listings on Migrate Mate as of November 2026. Demand is especially high in defense contracting, financial services, and large enterprise IT environments.
How many firewall engineer jobs are remote?
About 71% of firewall engineer openings are fully remote or hybrid as of November 2026, though fully on-site roles remain common in regulated industries. Cloud firewall management and policy auditing tend to be the most remote-friendly functions, while hands-on data center work and government-cleared positions usually require a physical presence.
How do you become a firewall engineer?
Start by building a foundation in networking through entry-level roles or lab practice covering TCP/IP, routing, and switching. Earn a vendor-neutral certification like CompTIA Security+, then pursue a platform-specific credential such as PCNSE or CCNP Security. Hands-on experience managing firewall rules, VPNs, and access policies in a production or lab environment is what moves candidates from generalist to specialist.
Can you get a firewall engineer job without much experience?
Yes, entry-level firewall engineer roles do exist, but they typically require a networking foundation first. Candidates coming from helpdesk, junior network administration, or NOC roles have the strongest shot. Building a home lab to practice firewall policy configuration, earning CompTIA Security+ or a vendor entry certification, and demonstrating packet analysis skills in your resume all help close the experience gap.
What does the firewall engineer interview process look like?
Most processes start with a recruiter screen, followed by a technical phone interview covering networking fundamentals and firewall concepts. A practical or scenario-based round typically comes next, where you walk through a policy design, troubleshoot a connectivity issue, or explain how you would segment a network. Final rounds often include a panel interview with the security or network engineering team and may include a skills assessment.
Where can I find and apply to firewall engineer jobs?
You can find and apply to firewall engineer jobs on Migrate Mate, which lists current openings from employers across the United States. Search for roles that match your platform experience and seniority level, then apply directly to each listing that fits your background.
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