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Senior Cyber Security Engineer

Job in Springfield, Fairfax County, Virginia, 22161, USA
Listing for: CACI International
Full Time position
Listed on 2026-02-28
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Engineer
  • Engineering
    Cybersecurity, Systems Engineer
Salary/Wage Range or Industry Benchmark: 100000 - 125000 USD Yearly USD 100000.00 125000.00 YEAR
Job Description & How to Apply Below

The Opportunity

TCS offers a long-term contract opportunity supporting the National Geospatial-Intelligence Agency’s (NGA). Our team of talented Network and Cybersecurity professionals help design, develop, procure, implement, operate/sustain, and enhance NGA networks and cybersecurity posture in support of national security. Joining the TCS Team means working with truly cutting-edge technologies, on high performing cyber engineering teams, and benefiting from accelerated professional growth! In this Senior role you'll get to:

  • Architect, Design, Build, Configure, and deploy on-premises and cloud-based cybersecurity infrastructure and applications running on Windows and Linux operating systems
  • Engineer and implement cybersecurity solutions leveraging cloud services such as EC2, EBS, ELB, S3, and RDS. Provision AMIs, perform software installations, troubleshooting and maintenance.
  • Assist with research and implementation of enterprise-wide cybersecurity solutions/capabilities/enhancements to support customer business/mission goals and objectives.
  • Evaluate and recommend changes and/or technology upgrades to address performance, standardization and industry best practices
  • Provide specific, detailed information for hardware and software selection, implementation techniques, and tools for the most efficient solution to meet business needs, including present and future capacity requirements.
Responsibilities
  • Represent customer requirements in technical exchanges with other government agencies.
  • Develop and maintain architecture diagrams.
  • Develop and maintain a road map for capabilities, operations, and technologies.
  • Assist with development and execution of test plans and supporting documentation of all network configuration upgrades, additions or revisions for customer approval before implementation.
  • May serve as a team or task lead.
  • Coordinate with stakeholders and external assessors to facilitate security assessments and authorization processes.
Qualifications

Required:

  • A deep expertise in one of the following areas and working knowledge of one or more of the other following:
    Network Detection and Response (Vectra, Extrahop, Corelight etc), Endpoint Detection and Response (Carbon Black, Crowd Strike Falcon, Microsoft Defender), Next-Generation Firewalls (Palo Alto, Juniper, Cisco), Intrusion Detection/Prevention Systems (Cisco Firepower), F5 platforms, email/web security gateways (Proofpoint, Cisco)
  • Strong technical background with a thorough understanding of cloud infrastructure, security principles, compute, storage, and transport.
  • Expertise in Windows and Linux server operating systems.
  • Excellent writing and communication skills, including the ability to develop analytical documents and present oral presentations to senior/executive management
  • Ability to work independently with little direction and guidance
  • 6+ years related technical experience in network/cybersecurity engineering and experience with large-scale enterprise/global networks in a highly diverse environment with an emphasis in DoD capabilities
  • Demonstrated experience modernizing complex enterprise cybersecurity systems.
  • Candidate must have a TS/SCI with ability to obtain a Polygraph
  • Certified DoD 8140.01 and 8570.01-M Information Assurance Technical Officer (IAT) Level III
  • CSSP Infrastructure Support certification within 6 months of start date.
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.

Your…

Position Requirements
10+ Years work experience
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