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Network Security Engineer

Job in Springfield, Fairfax County, Virginia, 22161, USA
Listing for: Cherokee Federal
Full Time position
Listed on 2026-02-28
Job specializations:
  • 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

Network Security Engineer III

This position requires an active TS / Sensitive Compartmental Information (SCI) clearance.

A government contract requires that this position be restricted to U.S. citizens or legal permanent residents. You must provide documentation that you are a U.S. citizen or legal permanent resident to qualify.

Cherokee Preting LLC is seeking a mission-focused Network Security Engineer III to support and contribute to our government customer's success in Springfield, Virginia.

Compensation & Benefits:

Pay commensurate with experience.

Full time benefits include Medical, Dental, Vision, 401K, and other possible benefits as provided. Benefits are subject to change with or without notice.

Network Security Engineer III

Responsibilities Include:
  • 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.
  • Assist with designs, analyses, tests, and implementation of state-of-the-art secure network architectures.
  • Conduct risk assessment and provide design recommendations.
  • Manage WAN, LAN, CAN, and remote network security as well as support Tier 3 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 the development and execution of standard operating procedures for security tools.
  • Evaluate and report on new network security technologies to enhance the capabilities of the network.
  • Act as liaison to the contract and customer management and government Designated Approving Authority (DAA) about all network security status, policies, and procedures.
  • Perform other job-related duties as assigned.
Network Security Engineer III Experience, Education, Skills, Abilities requested:
  • Current TS/SCI security clearance with the willingness and ability to obtain a Counterintelligence polygraph.
  • Bachelor's degree in Computer Science or related field (related work experience considered instead of degree).
  • Minimum six (6) years related technical experience in network security and experience with large-scale enterprise/global networks in a highly diverse environment.
  • Required

    Certifications:
    • DOD 8570 IAT Level II certification (Security + minimum to start).
    • Must obtain a CSSP Infrastructure Support certification within 6 months of the 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 in 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, RHEL OS, Windows Enterprise AD architecture, and VMware virtualization experience.
  • Ability to develop new concepts and processes.
  • Ability to analyze root causes and resolve issues.
  • Ability to support junior level technicians and specialists in their activities.
  • Ability to perform all tasks of lower level technicians or specialists.
  • Ability to work individually, actively participate on integrated teams, and lead a task, project or team.
  • Must pass pre-employment qualifications of Cherokee Federal.
Company Information:

Cherokee Preting (Preting) is a part of Cherokee Federal – the division of tribally owned federal contracting companies owned by Cherokee Nation Businesses. As a…

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