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From the employer's careers site First seen 5 Nov 2026

Cybersecurity Information Security Accessor

GDIT Chantilly, VA On-site senior full-time

Salary

$127,500 - $172,500 per year

Apply on GDIT

Description

GDIT is seeking a Cybersecurity Information Security Accessor for the DISA Defense Enterprise Office Solution (DEOS) program to provide integrated cybersecurity and systems engineering support for cloud collaboration services delivered to DoD customers.

This role designs and sustains secure architectures for Azure-hosted workloads, implements and automates controls for DEOS environments, and coordinates incident response activities with DISA and program stakeholders.

Security & Systems Engineering for DEOS Azure Environments

  • Design, document, and maintain secure architectures for DEOS services hosted in Azure and related environments.
  • Build, configure, and administer Azure Virtual Machines supporting DEOS, including OS hardening.
  • Develop, maintain, and operate Azure Automation Runbooks to support secure operations and compliance.
  • Provide consultative technical guidance to DEOS engineering and operations teams on secure design patterns.

RMF / ATO and DISA/DoD Compliance Support

  • Support DISA/DoW Risk Management Framework (RMF) activities for DEOS systems.
  • Contribute to and maintain RMF/ATO artifacts specific to DEOS Azure-hosted components.
  • Map and implement DISA STIGs, DoD Cloud Computing SRG, and relevant eMASS controls across Azure VMs and associated services.
  • Identify, document, and communicate security risks or compliance gaps to DEOS leadership and customer stakeholders.

Secure Operations & Incident Response Coordination

  • Coordinate incident response for security and operational incidents impacting DEOS and the Cybersecurity Threat Hunt team.
  • Participate in incident triage, technical analysis, and root-cause investigations.
  • Direct technical containment, eradication, and recovery activities.
  • Capture lessons learned and drive assist in updates to runbooks, playbooks, detection rules, and hardening baselines.

Consultative Customer and Stakeholder Engagement

  • Engage with GDIT, DEOS and DISA security, engineering, and operations counterparts to clarify requirements.
  • Provide consultancy-style briefings and technical input to change boards, engineering reviews, and security forums.
  • Support responses to DISA/DoW data calls, audits, inspections, and technical reviews related to DEOS cybersecurity and system integrity.

Documentation, Governance, and Continuous Improvement

  • Develop and maintain technical documentation for DEOS Azure components.
  • Ensure activities align with GDIT Security Standard Practices, DEOS-specific governance processes, and applicable ISO 27001 / information security management expectations.
  • Identify opportunities to improve automation, monitoring, and repeatable processes that enhance DEOS security, reliability, and operational efficiency.

What You’ll Need to Succeed (Required):

  • Bachelor’s Degree.
  • Minimum of an active Secret security clearance required.
  • Current 8570 IAT Level II (Security+ CE, CCNA Security, CySA+, GICSP, GSEC, or SSCP) required.
  • 6+ years of related experience.
  • Experience as a security engineer or systems engineer supporting DoW or DISA programs.
  • Demonstrated Azure experience.
  • Experience working within RMF/ATO processes.
  • Experience participating in or coordinating incident response for complex systems.
  • Strong consultative communication skills.

What You’ll Need to Succeed (Desired):

  • DoW 8570/8140 baseline certification at the appropriate level.
  • Microsoft Azure certifications.
  • Prior experience on DISA or enterprise DoW collaboration/cloud programs.
  • Experience working with large, distributed operations teams and SOCs in a 24x7 mission environment.

Benefits:

  • Comprehensive benefits and wellness packages.
  • 401K with company match.
  • Competitive pay and paid time off.
  • Award-winning culture of innovation and a military-friendly workplace.

Skills

Required

Nice to have

  • DoW 8570/8140 baseline certification
  • Microsoft Azure certifications
  • Microsoft 365 security/collaboration experience
  • prior experience on DISA or enterprise DoW collaboration/cloud programs
  • experience working with large, distributed operations teams and SOCs in a 24x7 mission environment
Apply on GDIT