RealmOne
Chantilly, Virginia

ISSO - Mid

OnsitePosted Apr 3, 2026Top Secret

Job details

Location
Chantilly, Virginia
Work type
Onsite
Clearance
Top Secret
Posted
Apr 3, 2026
Apply on
phh.tbe.taleo.net

About this role

RealmOne was built on the principle that people matter first and foremost. We believe in providing a strong work/life balance by investing in our employees and encouraging professional and personal growth. We do this by offering exceptional benefits, flexible schedules, and the tools necessary to achieve success through paid training, mentoring, and the opportunity to work alongside top-notch industry professionals.   We are looking for skilled individuals to provide technical expertise in support of a government client.

We are seeking an experienced Information System Security Officer (ISSO) to join our technology-based program supporting a key government customer. As an ISSO, you will play a critical role in maintaining the operational security posture for an information system/ program.

The ISSO - Mid shall possess the following capabilities:

  • Provide support for a program, organization, system, or enclave’s information assurance program.
  • Experience proposing, coordinating, implementing, and enforcing information systems security policies, standards, and methodologies.
  • Maintain operational security posture for an information system or program to ensure information systems security policies, standards, and procedures are established and followed.
  • Assist with the management of security aspects of the information system and perform day-to-day security operations of the system.
  • Evaluate security solutions to ensure they meet security requirements for processing classified information.
  • Perform vulnerability/risk assessment analysis to support security authorization.
  • Provide configuration management (CM) for information systems security software, hardware, and firmware.
  • Manage changes to system and assess the security impact of those changes.
  • Prepare and review documentation to include System Security Plans (SSPs), Risk Assessment Reports, Certification and Accreditation (C&A) packages, and System Requirements Traceability Matrices (SRTMs).
  • Support security authorization activities in compliance with National Institute of Standards and Technology Risk Management Framework (NIST RMF).

     

Qualifications:

  • Bachelor's degree in Computer Science or a related field (e.g. General Engineering, Computer Engineering, Electrical Engineering, Systems Engineering, Mathematics, Computer Forensics, Cybersecurity, Information Technology, Information Assurance, Information Security, and Information Systems) is required. In lieu of a Bachelor’s degree, four (4) additional years of work-related experience may be substituted.
  • DoD 8570 compliance with IAM I is required.
  • Experience in at least two of the following areas is required: knowledge of current security tools, hardware/software security implementation; communication protocols; or encryption tools and techniques.
  • Familiarity with commercial security products, security authorization techniques, security incident management, and PKI and authorization services.

 

Position requires active Security Clearance with appropriate Polygraph

About RealmOne

RealmOne
Chantilly, Virginia