Senior Information System Security Engineer

Type of Requisition

Regular

Clearance Level Must Currently Possess

Top Secret/SCI

Clearance Level Must Be Able to Obtain

Top Secret SCI + Polygraph

Public Trust/Other Required

None

Job Family

IT Infrastructure and Operations

Job Qualifications Skills

Computer Servers, Critical Systems, Information Technology (IT) Systems

Certifications

None

Experience

8+ years of related experience

US Citizenship Required

Yes

Job Description Senior Information System Security Engineer

Deliver security related solutions for enterprise information system s and network architectures as an Information System Security Engineer at GDIT . Here, you’ll tailor cutting‑edge solutions to the unique requirements of our clients . With a career in systems security, you’ll ensure information systems , networks and architectures are secure and ready to support mission critical requirements.

Our work depends on Information Systems Security Engineers joining our team to protect data flows for a wide range of devices.

HOW AN INFORMATION SYSTEM SECURITY ENGINEER WILL MAKE AN IMPACT

• Provides technical expertise to ensure systems meet Information Assurance (IA) requirements and are properly accredited.

• Designs, develops, and recommends integrated security system and physical control solutions that will ensure proprietary/confidential data and systems are protected.

• Assist IA team in established Authorization and Accreditation (A&A) process using a risk mitigation framework (RMF) across the design lifecycle for classified systems obtaining and maintaining Interim Authorization to Test (IATT), Authority to Connect (ATC) and Authorization to Operate (ATO).

• Offers technical engineering services for the support of integrated security systems and solutions, managing information‑related risks effectively.

• Works closely with the client during the strategic design process to translate security and business requirements into actionable technical designs.

• Develop comprehensive system test plans (STP) to assess the security posture of the information systems.

• Analyze scan results and security findings to prioritize remediation efforts and implement corrective measures.

WHAT YOU’LL NEED TO SUCCEED:

• Education:
  
  Bachelor Degree in an area applicable to this position

• Required Experience:
  
  8+ years of related experience

• Advanced Windows administration capabilities and Linux proficiency

• Practical experience deploying, maintaining, and troubleshooting security tools

• Ability to critically assess current practices, identify deficiencies, propose innovative solutions, and effectively implement these improvements

• Required Technical
  
  Skills:
  
  Must be 8570 compliant (IAT Level
  2) by date of security indoctrination with any necessary certification s.

• Security Clearance Level: TS/SCI and CI Poly

• Experience with:
  Assured Compliance Assessment Solution (ACAS), Trellix, Splunk, and Security Technical Implementation Guide (STIG)’s

• Required
  
  Skills and Abilities:
  
  Excellent communication, problem solving, team player

• Preferred
  
  Skills:
  
  Experience as an ISSO, ISSM, ISSE, or Security Controls Assessor. Experience with Special Access Programs (SAPs) and Intelligence Community.

• Location:
  
  On Customer Site

• US Citizenship Required

GDIT IS YOUR PLACE:

• 401K with company match

• Comprehensive health and wellness packages

• Internal mobility team dedicated to helping you own your career

• Professional growth opportunities including paid education and certifications

• Cutting‑edge technology you can learn from

• Rest and recharge with paid vacation and holidays

The likely salary range for this position is $127,500 - $172,500. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.

Scheduled Weekly Hours

40

Travel Required

None

Telecommuting Options

Onsite

Work Location

USA VA Reston

Additional Work Locations

None

Total Rewards at GDIT

Our benefits package for all US‑based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post‑tax dollars up to the IRS annual limits and…