Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Firewall Engineer

Novul Solutions

Job Description
Overview

We are seeking an experienced Firewall Engineer to support mission-critical network security operations within a high-tempo DoD environment. This role focuses on firewall engineering, Palo Alto administration, load balancer security, rule-set optimization, configuration assessments, incident support, and enterprise cybersecurity improvements.

The ideal candidate will bring strong hands-on experience with Cisco and Palo Alto firewall technologies, including Panorama, HA configurations, IPSec VPNs, firewall routing, AWS Palo Alto VM deployments, IPS configuration, and firewall performance/security assessments.

Key Responsibilities

  • Identify and remediate firewall/load balancer misconfigurations, conflicting rules, security gaps, and performance issues.
  • Optimize firewall rule-sets to improve enterprise firewall and load balancer security posture and performance.
  • Provide Tier 3 technical support to network operations and network administration teams.
  • Maintain hardware and software components at vendor-supported levels.
  • Support mission-critical Continuity of Operations initiatives.
  • Conduct at least two monthly firewall assessments across CESO and customer devices, including reports and improvement recommendations.
  • Support monthly network device performance and traffic utilization reporting.
  • Develop and/or contribute to After Action Reports.
  • Provide expert guidance on Palo Alto management, operations, architecture, optimization, technology roadmaps, and design discussions within the DISA CESO environment.
  • Evaluate DISA CESO technologies and processes, provide future cybersecurity operations recommendations, participate in DISA CESO/mission partner working groups, and ensure compliance with DoD STIGs, DISA orders, JSIG policies, and applicable regulations.
Requirements

Basic Qualifications
  • Bachelor's degree and 8+ years of directly relevant experience; additional experience may be considered in lieu of degree.
  • 5+ years of hands-on Cisco and Palo Alto firewall experience in engineering and operations/maintenance roles.
  • Experience supporting high operational tempo, Top Secret DoD environments.
  • Ability to obtain and maintain TS/SCI eligibility.
  • Willingness to take and maintain a CI Polygraph.
  • Active DoD 8570 IAT Level II Baseline Certification, such as Security+ CE, CySA+, CCNA Security, GSEC, CND, SSCP, or equivalent.
  • Strong Palo Alto experience, including Panorama installation, HA configuration, templates/template stacks, policy creation and push verification, route configuration, IPSec site-to-site VPN troubleshooting, Palo Alto VM in AWS, IPS configuration, virtual routers/systems, and firewall HA.
  • Experience with Cisco firewall operations, troubleshooting, rule-set analysis, optimization, and remediation.
  • Experience conducting firewall security assessments, reporting, load balancer security issue identification, and remediation.
  • Experience supporting network traffic utilization/performance reporting and compliance with DoD STIGs, DISA requirements, and JSIG policies.
Preferred Qualifications

  • Prior experience supporting DISA, DISA CESO, or DISA mission partners in classified enterprise cybersecurity environments.
  • Experience providing senior-level technical recommendations for firewall architecture, security posture improvements, and future-state cybersecurity operations.
Benefits

Core Benefits:
  • Paid Time OffPTO):TEN (10) Paid days off & FIVE (5) Floating days off.
  • Holidays: 11 Paid Holidays. Flex time can be utilized instead of holiday time usage.
  • Payroll: Paid Bi-Monthly.
  • 401(k): Partnered with the SECOND LARGEST Retirement plan provider in the U.S. Guaranteed 3% match. Eligibility - 21 years of age or older, after 3 months of employment
  • Individual or company-wide performance and recognition awards (Quarterly)
Health Benefits:
  • UNITED HEALTHCARE PPO, extensive national coverage.
  • INCLUDES: Medical/Dental/Vision/HSA.
  • Eligible on the first of the month, immediately after the start date.
  • Submit the enrollment form within 30 days of your start date otherwise, you will have to wait until October for the new year enrollment.
Quality of Life Benefits:
  • Training & Career Development Reimbursement of Tuition and training needed to support career development.
  • $150 monthly reimbursement contribution paid monthly towards parking expenses.
  • Receipts must be submitted by the close of business on the 25th of each month.
  • Reimbursements will be paid on the first payroll AFTER reimbursements are submitted each month.
Special Benefits:

  • Performance bonus - Project-based
  • Yearly bonus - Company based
Vacancy posted 9 hours ago
Similar jobs that could be interesting for youBased on the Firewall Engineer in Alexandria, VA vacancy
  • $92.3k - $166.85k

    The DISA IT Operation within Leidos’ Digital Modernization Group is seeking a Firewall Engineer to support the Compartmented Enterprise Services Office (CESO) Task Order for the GIG Service Management - Operations II (GSM-O II) contract. This person should be a seasoned... 
    Suggested
    Full time
    Contract work
    Temporary work
    Work at office

    Leidos

    Arlington, VA
    1 day ago
  • $120k - $160k

     ...Date Posted: 2026-09-28 Category: Cyber Subcategory: Cyber Engineer Schedule: Full-Time Shift: Evening Job Travel: No...  ...Description This is an opening for a Firewall Operations Engineer to support a Department of State (DoS) Bureau... 
    Suggested
    Full time
    Interim role
    Work at office
    Remote work
    Shift work
    Afternoon shift

    SAIC

    Springfield, VA
    9 hours ago
  • $120k - $130k

    Job DescriptionEverforth ECS is seeking a Senior Check Point Firewall Engineer to work in our Washington, DC office / remote. ECS is seeking a Senior Check Point Firewall Engineer to provide the following services to our Federal government client:Collaborate with customer... 
    Suggested
    Work at office
    Remote work

    ECS Federal

    Washington DC
    2 days ago
  •  ...Federal and State Government Agencies. Learn More About ProSidian Consulting at DescriptionProSidian seeks a Senior-Level InfoSec Firewall Engineer Consultant focusing on Cyber-Security/Information Security (INFOSEC) and IT Effectiveness Solution related issues, to support... 
    Suggested
    Full time
    For contractors
    Work experience placement
    Internship
    Work at office
    Monday to Friday
    Shift work

    Prosidian Consultng

    Washington DC
    1 day ago
  •  ...Associates, Inc. (MPR), a thriving multi-discipline, specialty engineering services and consulting firm, is actively seeking a capable...  ...network diagrams.Managing and modifying registry, group policy and firewall settings.Software programming experience, preferably C/C++/C#,... 
    Suggested
    Full time
    Work at office

    MPR Associates

    Alexandria, VA
    1 day ago
  • DescriptionThis is a senior firewall position within the Vanguard Contract, providing general engineering support to multiple firewall and perimeter security systems and devices. The well qualified candidate will possess and apply comprehensive knowledge regarding perimeter... 
    Contract work
    Work at office

    Science Applications International Corporation

    Beltsville, MD
    1 day ago
  • $75.2k - $158.1k

    Job Title: Senior Firewall EngineerJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCIEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel: Local* * *The OpportunityAs a member of the TCS Network Security... 
    Contract work
    Work experience placement
    Local area
    Remote work
    Flexible hours

    CACI International

    Springfield, VA
    2 days ago
  • $5,000 per month

     ...Management, Ltd. is seeking four (4) Senior Security Systems Engineers with specific experience working with Submarine-Launched Ballistic...  ...appliances. Examples of these appliances and applications are Firewalls, IDS, IPS, Switch/Routers, Cross Domain Solutions (CDS) and... 
    Interim role

    Imagine One

    Arlington, VA
    2 days ago
  • $145k - $175k

     ...evidenced through IT platforms.About the RoleThe Security Operations Engineer is a hands-on technical role responsible for designing,...  ...across network and cloud environments, including segmentation, firewalls, ZTNA/VPN, logging, and cloud security guardrails.Detection &... 
    Permanent employment
    Full time
    Work at office
    Local area
    Remote work
    Worldwide

    Umbra

    Arlington, VA
    1 day ago
  • $90.3k - $189.6k

    Job Title: Cyber Security Engineering Specialist IV/ Firewall EngineerJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCIEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel: Local* * *The Opportunity... 
    Contract work
    Work experience placement
    Local area
    Remote work
    Flexible hours
    Weekend work
    Afternoon shift

    CACI International

    Springfield, VA
    1 day ago
  • DescriptionThis is a mid-level firewall engineer position within the Vanguard contract, providing networking engineering support to multiple firewall and perimeter security systems and devices. The well qualified candidate will possess and apply knowledge regarding perimeter... 
    Contract work
    Work at office

    Science Applications International Corporation

    Beltsville, MD
    1 day ago
  • $220k - $240k

    GovCIO is currently hiring for Senior Cloud Automation Engineer to design, build, and maintain automated cloud infrastructure and deployment...  ...solutions• Implement network security controls including firewalls, NSGs, and NACLs• Troubleshoot network connectivity and... 
    Currently hiring
    Remote work

    Govcio

    Arlington, VA
    3 days ago
  • $107.4k - $160.54k

     ...for the travel industry.ARC is looking for a DevOps Automation Engineer IV to join our team! In this role, you will provide subject-...  ...networking concepts and troubleshooting (TCP/IP, DHCP, DNS, routing, firewalls, etc.)Experience with Cloud administration (AWS) and... 
    Work experience placement
    Work at office
    Work from home
    Flexible hours

    Airlines Reporting Corporation (ARC)

    Arlington, VA
    4 days ago
  • $115k - $145k

     ...environments with complex endpoint management needs.Understanding of enterprise networking fundamentals relevant to MECM operations (firewalls, boundaries, DP placement, bandwidth considerations).Experience with SCCM/MECM migrations, upgrades, or environment modernization.... 

    Govcio

    Alexandria, VA
    4 days ago
  • $136k - $184k

    Do you like to use network and Unix systems engineering to deliver simple, sustainable, and repeatable solutions? Would you like to play...  ...such as IP, TCP, OSPF/IS-IS, BGP, MPLS, Server Load Balancers, Firewalls, ACLs, DNS, DHCP, IPAM, LDAP, NFS, etc.- • In-depth knowledge... 
    Local area
    Flexible hours

    Amazon

    Arlington, VA
    1 day ago
  • $143.7k - $194.4k

    Amazon Route 53 has an open position for a Software Development Engineer in Arlington, VA to join the team that designs, builds and operates Route 53 Resolver DNS Firewall and Route 53 Profiles. We're looking for a mid-level Software Development Engineer to join our team... 
    Internship
    Flexible hours

    Amazon

    Arlington, VA
    2 days ago
  • $62k - $141k

     ...careful planning. That’s why we need you, an experienced network engineer who knows how to develop the exact network the DoD needs for...  ...designs and architecture, including routers, switches, firewalls, and cross-domain solutionsExperience creating, reviewing, and... 
    Full time
    Contract work
    Part time
    Work at office
    Local area
    Remote work

    Booz Allen Hamilton

    Arlington, VA
    5 days ago
  • $188k

    DescriptionPosition: Network Engineer - Level IILocation: Rosslyn, VAClearance: SecretThe Network Engineer Level II is a mid-level IT...  ...upgrades. Configure and manage network security tools, such as firewalls, VPNs, and intrusion detection systems. Document network... 

    ActioNet

    Rosslyn, VA
    3 days ago
  • $60 - $70 per hour

     ...Akkodis is seeking a System Engineer for a W2 3-year contract position with possible extension in Manassas, VA (Washington, D.C. area)...  ...troubleshooting complex systems, virtualization, networking, and firewall management issues. • Manage and support virtual server and... 
    Hourly pay
    Contract work
    Temporary work
    Local area

    Jobrapido

    Alexandria, VA
    3 days ago
  •  ...Systems Engineer Position - On site daily in Rosslyn VA No certifications required although they are a plus Secret clearance to...  ...knowledge of LAN/WAN networking including routers, switches and firewalls What your day will look like: You will review daily... 

    PLANIT Group

    Arlington, VA
    4 days ago
  •  ...Systems Engineer ILocation: Alexandria, VA or Colorado Springs, COClearance: TS/SCI with the ability to obtain and maintain a CI polygraphJob...  ...installation and configurationTCP/IP, ports, protocols, and firewall managementOperating system administration and system... 

    Invictus International Consulting, LLC

    Alexandria, VA
    2 days ago
  •  ...Title: Systems Engineer II Location: Colorado Springs, CO Clearance: TS/SCI with the ability to obtain and maintain a CI polygraph...  ...structures TCP/IP configuration, ports/protocols, and firewall management Application installation and system configuration... 

    Invictus International

    Alexandria, VA
    1 day ago
  • $119.7k

     ...Req ID: 42940 Summary Intermediate Firewall Engineer Oakton, VA Are you ready to enhance your skills and build your career in a rapidly evolving business climate? Are you looking for a career where professional development is embedded in your employers core... 
    Remote work

    Chenega MIOS

    Oakton, VA
    3 days ago
  •  ...years of experience delivering innovative and reliable IT and engineering solutions to the Federal Government. BTI supports mission-critical...  ...oversight services. BTI is currently searching for a Firewall Engineer Lead to fulfill the roles and responsibilities below:... 

    BTI

    Washington DC
    3 days ago
  •  ...Checkpoint Firewall Engineer Reporting to the Network Application Manager, the Checkpoint Firewall Engineer is seen as a technical expert in networking security (firewalls), API usage and integration, and threat management. This is a technical and hands on role, with... 
    Contract work

    Software Technology Inc

    Washington DC
    5 days ago
  •  ...this role, you will serve as the Information Systems Security Engineer (ISSE) for multiple classified systems operating at SPA's Headquarters...  ...of networking basics, including IP routing, subnets, firewalls, VLANs, ports, and protocols.Practical knowledge of the Risk Management... 
    Contract work
    Work experience placement
    Work at office
    Immediate start
    Flexible hours

    Systems Planning and Analysis

    Alexandria, VA
    2 days ago
  • $165k - $200k

     ..., is seeking a highly experienced Information Systems Security Engineer (ISSE) to support Red Hate Enterprise Linux systems in a High Performance...  ...in a production environment.Validate and implement host-based firewall and auditd configurations in coordination with system... 
    For contractors
    Work experience placement
    Relocation package

    AMERICAN SYSTEMS

    Arlington, VA
    3 days ago
  •  ...technically proficient Subject Matter Expert (SME) Hardware Reverse Engineer to provide specialized expertise in hardware reverse...  ...Experience analyzing network-edge devices (routers, switches, firewalls, IoT devices) Knowledge of hardware debugging interfaces (JTAG... 
    Contract work
    Immediate start

    Solutions , LLC

    Arlington, VA
    5 days ago
  • $62k - $141k

     ...Job Number: R0250156 Network Systems Engineer The Opportunity: A well-designed network is critical to moving data and enabling...  ...designs and architecture, including routers, switches, firewalls, and cross-domain solutions ~ Experience creating, reviewing... 
    Full time
    Contract work
    Part time
    Work at office
    Local area
    Remote work

    Booz Allen Hamilton

    Arlington, VA
    1 day ago
  • $170.51k - $284.74k

     ...Senior Mechanical Building Engineer - HVAC/Plumbing - Federal Date: Aug 21, 2026 Location: Arlington, VA, US Overland Park, KS, US Company: Black & Veatch Family of Companies Together, we own our company, our future, and our shared success. As an employee... 
    For contractors
    Work experience placement
    Work at office
    Local area
    Flexible hours

    Black & Veatch Corporation

    Arlington, VA
    2 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Firewall Engineer. Be the first to apply!