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Cyber Security Engineering Specialist IV/ Firewall Engineer

CACI International Inc
Springfield, United Statesfull_timeVerifiedPosted 7 May 2026
💰 $218,100/yr($103,800/yr$218,100/yr)

About the role

Job Title: Cyber Security Engineering Specialist IV/ Firewall Engineer

Job Category: Information Technology

Time Type: Full time

Minimum Clearance Required to Start: TS/SCI

Employee Type: Regular

Percentage of Travel Required: Up to 10%

Type of Travel: Local

* * *

The Opportunity:
Team CACI on our TCS Program has an exciting and challenging opportunity available for a Network Security Engineer supporting an Intelligence Community customer’s wide-area (WAN), local-area (LAN) and campus-area (CAN) networks across multiple security domains. Position is located at Springfield, VA.
 
Responsibilities:

  • Work with both corporate and customer leadership to research, analyze, and implement enterprise-wide network security solutions/capabilities/enhancements to support customer business/mission goals and objectives.

  • Assists with designs, analyses, tests and implementation of state-of-the-art secure network architectures.

  • Conducts risk assessment and provides recommendations for design.

  • Manage WAN, LAN, CAN, and remote network security as well as incident and problem management.

  • Oversee security infrastructure sustainment, maintenance, and advanced configuration. (firewalls, F5 load balancers, web gateways, mail gateways, IDS, and management tools).

  • Oversee the reporting, documentation and investigation of all security related incidents; lead the development and implementation of corrective measures.

  • Responsible for development and execution of standard operating procedures for security tools.

  • Evaluate and report on new network Security technologies to enhance capabilities of the network.

  • Act as liaison to the contract and customer management, and government Designated Approving Authority (DAA) with regard to all network security status, policies, and procedures.


Qualifications:
Required:

  • Bachelor’s degree in Computer Science or related field (related work experience considered in lieu of degree)

  • 8+ years related technical experience in Network Security

  • 8+ years experience with large-scale enterprise/global networks in a high paced diverse environment

  • Active TS/SCI

  • Ability to obtain and maintain a CI polygraph

  • -    DOD 8570 IAT Level II certification. (Security + minimum to start)

  • -    Must obtain a CSSP Infrastructure Support certification within 6 months of date of hire.

  • Ability to work independently with little direction and guidance

  • Ability to work weekends and evening hours as needed

  • Excellent writing and communication skills, including the ability to develop analytical documents and present oral presentations to senior/executive management

  • Proficient is MS Office suite – Visio, Word, Excel, PowerPoint, and Project

  • Travel up to 15% of the time CONUS, maybe occasional OCONUS

  • Understanding and experience with the DoD Architecture Framework and other key DoD network architecture and strategic planning instructions.

  • Expert knowledge of IP services

  • Experience in providing status reports and products to senior management and customers

  • Experience with Juniper SRX, Palo Alto Firewall, F5 Load Balancer, Cisco FTD/ASA

  • Experience with plans, designs, and evaluations of security systems and architectures.

  • Experience with Unix, RHELS OS, Windows Enterprise AD architecture and VMWare virtualization experience



 

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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

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Company

CACI International Inc

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