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Cloud Information Systems Security Engineer III

Job in Chantilly, Fairfax County, Virginia, 22021, USA
Listing for: Arcfield
Full Time position
Listed on 2025-12-02
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Engineer, Network Security, Information Security
Job Description & How to Apply Below

Arcfield was purpose-built to protect the nation and its allies through innovations in digital transformation, space mission engineering and launch assurance, miniaturized sensors and satellites, advanced modeling and simulation, cybersecurity, and conventional and hypersonic missile support. Headquartered in Chantilly, VA with 16 global offices, Arcfield employs more than 1,500 engineers, analysts, IT specialists, and other professionals with more than 60 years of collective proven experience supporting missions in cyber and space defense, space exploration, hypersonic and nuclear deterrence and warfighter readiness.

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Overview

Arcfield was purpose-built to protect the nation and its allies through innovations in digital transformation, space mission engineering and launch assurance, miniaturized sensors and satellites, advanced modeling and simulation, cybersecurity, and conventional and hypersonic missile support. Headquartered in Chantilly, VA with 16 global offices, Arcfield employs more than 1,500 engineers, analysts, IT specialists, and other professionals with more than 60 years of collective proven experience supporting missions in cyber and space defense, space exploration, hypersonic and nuclear deterrence and warfighter readiness.

Visit  for more details.

Responsibilities

Join Arcfield's rapidly expanding team of Cyber professionals! We are seeking talented Mid-level Cloud Information Systems Security Engineers (ISSE), to provide critical Systems Engineering and Technical Assistance (SETA) support for a prestigious National customer. Note:
An offer for this position is contingent upon contract award.

  • In this role, working under only general directions, you'll contribute to enhancing the Information Assurance (IA) posture through:
    • IA Management
    • Federal Information Security Management Act (FISMA) coordination and reporting
    • Risk Management Framework (RMF) application
    • IA compliance measurements and metrics
    • Assessment and Authorization (A&A)
    • Vulnerability Management
    • Cyber Defense support
  • Daily Tasks include, but are not limited to:
    • Supporting analytical and technical security recommendations to the customer
    • Supporting the identification of projects' security requirements
    • Supporting security recommendations for systems using Cloud services
    • Supporting network design reviews and security testing for the customer's networks
    • Supporting the coordination with system development teams to ensure network security standards are being followed and implemented correctly
    • Supporting additional security requirements, based on RMF or as the result of security issues that put the customer's systems at risk
    • Supporting the review and analysis of new systems (hardware and software) and providing recommendations concerning their security
    • Supporting the review of Security Requirements Traceability Matrices (SRTMs), System Security Plans (SSPs) and other IA documentation for completeness
Qualifications

Required:

  • BS 5-7 Years, MS 3-5, PhD 0-2
  • Must possess and have the ability to maintain a TS/SCI with Poly
  • Able to support customer’s core hours ; Mon – Fri)
  • Excellent communications skills – Verbal and Non-Verbal
  • Demonstrated:
    • Experience supporting security engineering to cloud capabilities and solutions in AWS, Azure or other mainstream CSP
    • Experience with networking protocols and concepts
    • Experience with software defined networking principles and technologies
    • Experience with security engineering support to capability migration from on-prem to cloud
    • Knowledge of the NIST RMF
    • Knowledge and experience in cybersecurity principles
    • Experience with Unix/Linux and Windows operating systems

Desired

  • Demonstrated Understanding of:
    • Monitoring, analyzing, and responding to cyber incidents in information systems and networks
    • Implementing integrated Cyberdefense strategies and maintain security toolsets
    • Establishing frameworks for measuring and quantifying cyber risk
    • Determining security requirements through business analysis and risk assessments
    • Designing and implementing security systems, including intrusion detection methodologies
    • Verifying and maintaining security systems through testing, monitoring, and compliance checks
    • Conducting incident response analyses and developing training programs
    • Ensuring functionality and security of development and operational systems
  • Cloud certifications
  • An Advanced Cyber Certification (DoD 8570/8140 IAT Level III)
EEO Statement

We are an equal opportunity employer and federal government contractor. We do not discriminate against any employee or applicant for employment as protected by law.

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