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Senior Firewall Engineer Jobs in Virginia (NOW HIRING)

SAIC

Senior Firewall Engineer

Quantico, VA · On-site

Description SAIC is seeking a Senior Firewall Engineer to support DCSA for an ONSITE position out of Quantico, VA. (All qualified candidates must possess a TS/SCI and a Sec+) Introduction Make a ...

SAIC

Senior Firewall Engineer

Quantico, VA · On-site

SAIC is seeking a Senior Firewall Engineer to support DCSA for an ONSITE position out of Quantico, VA. (All qualified candidates must possess a TS/SCI and a Sec+) Introduction Make a difference for ...

SAIC

Senior Firewall Engineer

Quantico, VA

ORA_ON_SITE Description  SAIC is seeking a Senior Firewall Engineer to support DCSA for an ONSITE position out of Quantico, VA. (All qualified candidates must possess a TS/SCI and a Sec ...

SAIC

Senior Firewall Engineer

Quantico, VA

SAIC is seeking a Senior Firewall Engineer to support DCSA for an ONSITE position out of Quantico, VA. (All qualified candidates must possess a TS/SCI and a Sec+) Introduction Make a difference for ...

Saxon Global

Palo Alto firewall Engineer

Richmond, VA · On-site

$47.25 - $63.25/hr

Senior Firewall Engineer The Senior Firewall Engineer will play a key role in designing, implementing, and maintaining enterprise-level network security solutions. This role requires deep expertise ...

RIT Solutions

Firewall Engineer

Sterling, VA · On-site

$47.25 - $63.50/hr

The Sr. Firewall Engineer should be able to: * Design and implement firewall solutions for our network infrastructure * Document firewall infrastructure and support playbooks * Maintain and optimize ...

Droisys

Senior Firewall Engineer

Mclean, VA

Hi Consultant required for the below mentioned requirement Senior Firewall Engineer McLean, VA 1 year contract Provides IT network security engineering for new innovations, project designs, and ...

Booz Allen Hamilton

Network Firewall Engineer

Reston, VA · On-site

$99K - $225K/yr

Network Firewall Engineer The Opportunity: Are you looking for a career-defining opportunity to ... audiences, including senior management. * Manage infrastructure and cybersecurity controls ...

Leidos

Senior ServiceNow Engineer

Alexandria, VA · On-site

Leidos Digital Modernization sector is seeking an experienced Senior ServiceNow Engineer to support the delivery, enhancement, and adoption of enterprise data and analytics products used across ...

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How much do senior firewall engineer jobs pay per hour?

As of May 28, 2026, the average hourly pay for senior firewall engineer in Virginia is $59.84, according to ZipRecruiter salary data. Most workers in this role earn between $55.05 and $70.05 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Senior Firewall Engineer, and why are they important?

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 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 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.

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Senior Firewall Engineer jobs near you
Senior Firewall Engineer

Senior Firewall Engineer

Science Applications International Corporation

Quantico, VA • On-site

Other

This job post has expired today. Applications are no longer accepted.

Job description

Job Description
Description
SAIC is seeking a Senior Firewall Engineer to support DCSA for an ONSITE position out of Quantico, VA.
(All qualified candidates must possess a TS/SCI and a Sec+)
Introduction
Make a difference for national security by joining a team of dedicated IT professionals who will sustain, modernize and transform the enterprise IT capabilities of the Defense Counterintelligence and Security Agency (DCSA). The Air Force and Combatant Commands Business Group of SAIC is seeking a Senior Firewall Engineer to support a transformational infrastructure program for DCSA.
SAIC is proud to be supporting DCSA in safeguarding our nation's information. DCSA is the designated oversight authority on the accreditation of classified facilities, information systems, and the insider threat program. This involves security oversight of more than 10,000 companies and approximately 13,000 facilities involved in classified work throughout the DoD and 31 Federal agencies.
Specifically, on the DCSA One IT program, SAIC will provide an enterprise IT solution that delivers highly secured and adaptable IT infrastructure, provides customer support, an cutting-edge technologies that support operations and advance the DCSA mission under a single IT environment (i.e., One IT).
Job Description
  • Designs, implements, and maintains Cisco and Palo Alto firewall systems to secure networks and data, ensuring they are protected against unauthorized access and cyber threats.
  • Develops and implements firewall rules and policies to protect network assets.
  • Designs and implements network security solutions, including firewalls, VPNs, and other security technologies.
  • Monitors and analyzes network traffic for security threats and vulnerabilities.
  • Troubleshoot and resolve firewall-related issues and network connectivity problems.
  • Maintains and updates firewall software and hardware.
  • Responds to security incidents and alerts.
  • Collaborates with security teams to improve security posture.
  • Stays up-to-date with the latest security threats and vulnerabilities.
  • Documents firewall configurations, procedures, and security policies.
  • Communicates security issues and recommendations to stakeholders.
  • Provides mentoring and guidance to junior team members.
  • Provides network solution engineering efforts to plan, design, configure, troubleshoot, implement, enhance, optimize and secure DCSA's infrastructure of non-virtual and virtual systems in enclaves and data centers, regional field offices, field offices, and the Amazon Web Service (AWS) Govcloud environments, as part of the overall strategic objective of the DCSA IT modernization and One IT initiatives to provide a flexible enterprise IT environment to support the DCSA mission IAW with DCSA and DoD policies and procedures and commonly utilized industry best practices.
  • Supports translation of strategic goals, commitments, requirements, risks, and objectives into plans, tasks, and activities for solutions and alternatives, from a network perspective.
  • Researches, maintains, and applies expertise in emerging technologies, and industry developments, trends, best practices, and principles of network engineering.
  • Develops and designs load balancing and engineering capability assessments.
  • Provides and implements capacity-planning solutions.
  • Directs or performs integration and testing of all items to ensure security and operability before deployment. Implements operational design standards and establishes appropriate interfaces that best fulfill interoperability and mission requirements, designing, recommending, and engineering configuration of all network and communication equipment, facilities, and services, specifically including router/switch configurations, Internet Protocol (IP) addresses, Regional Internet Access Points (RIAPs), Virtual Private Networks, gateway servers, and related services, in a manner to ensure most efficient flow of data and highest security, coordinating all solutions with Cyber Security Defense Operations.
  • Plans and oversees execution of network installations of system hardware and software upgrades.
  • Plans and executes backups and recovery operations.
  • Directs, executes, or supports compilation, implementation, maintenance and archiving of network records, documentation, and artifacts, such as specifications, topologies, diagrams, and policies; network blueprints and design documents; network data flow diagrams; Access Control Lists (ACLs); network management trend analysis reports; accreditations; network provisioned gear and change control documentation.
  • Provide inputs into the Activity Report.
Qualifications
Required Qualifications
It is required that the Senior Firewall Engineer have the following qualifications:
  • BA/BS and fourteen (14) or relevant years of experience in lieu of degree.
  • US Citizen and Active Top Secret clearance with SCI eligibility.
  • IAT-II Certification in one of the following areas: CCNA-Security, CySA+, GICSP, GSEC, SSCP, CND and/or Security+CE.
  • Applicable Network Environment (NE) Certification: CCNP (CCIE preferred) or Palo Alto Next Generation Firewall Engineer.
  • Minimum 5 years managing enterprise level firewalls.
  • Cisco ACS/Firepower administration.
  • Palo Alto PAN-OS administration.
  • Cisco Firepower Management Center (FMC) or Firepower Threat Detection (FTD) experience

Overview
SAIC accepts applications on an ongoing basis and there is no deadline.
SAIC® is a premier Fortune 500 mission integrator focused on advancing the power of technology and innovation to serve and protect our world. Our robust portfolio of offerings across the defense, space, civilian, and intelligence markets includes secure high-end solutions in mission IT, enterprise IT, engineering services, and professional services. We integrate emerging technology, rapidly and securely, into mission critical operations that modernize and enable critical national imperatives.
We are approximately 23,000 strong; driven by mission, united by purpose, and inspired by opportunities. SAIC is an Equal Opportunity Employer. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.3 billion. For more information, visit saic.com. For ongoing news, please visit our newsroom.

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