Information Security Analyst Sr Principal
GDIT· enterprise· Defense IT· Oct 25, 2026 · 1d ago
Sterling, VA
In office
Full-time
Principal
$153K–$207K
8+ years exp
Job description
Type of Requisition:
Regular
Clearance Level Must Currently Possess:
Secret
Clearance Level Must Be Able to Obtain:
Secret
Public Trust/Other Required:
None
Job Family:
Cyber and IT Risk Management
Job Qualifications:
Skills:
Assessment & Authorization (A&A), Compliance Management, Information Assurance, Information Security, Risk Management Certifications:
None Experience:
8 + years of related experience US Citizenship Required:
Yes
Job Description:
INFORMATION SECURITY ANALYST SR PRINCIPAL
Advance your career while impacting our national security in cyber as an Information Security Analyst Sr Principal at GDIT. Here, technologists have many paths to grow a meaningful career supporting cyber missions and operations across the federal government.
MEANINGFUL WORK AND PERSONAL IMPACT
As an Information Security Analyst Sr Principal, the work you do at GDIT will directly support the mission of our federal customer. You will play a critical role in achieving and sustaining the Authorization to Operate (ATO) for enterprise systems within a federal government agency. This position places you at the intersection of cloud technologies and Commercial Solutions for Classified (CSfC), contributing to an innovative and high‑visibility program.
We are seeking a candidate willing to join our Assessment & Authorization (A&A) team across all phases of the NIST Risk Management Framework, including:
• Categorizing information and system components
• Conducting Privacy Impact Assessments
• Developing risk management strategies
• Creating and maintaining security documentation
• Developing Security Control Implementation Statements
• Developing, tracking, and following up on Plans of Action and Milestones (POAM)
• Gathering information essential for drafting security controls, policies, and process documentation
You will develop Security Impact Analyses (SIA) for system changes and update key security documentation, including the System Security Plan (SSP), Information Security Contingency Plan, and other required security artifacts. You will coordinate with Federal Government officials to obtain and maintain the system’s Authorization to Operate (ATO).
You will ensure compliance with federal regulations and privacy requirements. Responsibilities include conducting investigations of information system security violations and incidents, security vulnerabilities, and reporting findings to management as necessary. You will also perform periodic and ad‑hoc system audits and vulnerability assessments including reviews of system scans, audit log reviews, user accounts, application access, file system integrity, and compliance‑related configurations.
Additionally, you will need to have experience with governance risk and compliance (GRC) tools such as JCAM/Archangel/Xacta. You will also participate in the Change Management process, collaborate with cross‑functional teams, customers and stakeholders on various projects as needed to ensure IT systems remain compliant with security requirements.
WHAT YOU’LL NEED TO SUCCEED
Bring your cyber expertise and drive for innovation to GDIT. The Information Security Analyst Sr Principal must have:
● Education: Technical Training, Certification(s) or Degree
● Experience: 8 years of related experience
● Technical skills: Information System Security, IT Risk Management, Cyber Security, Compliance, Change Management, Security Control Statements, Security Documentation, JCAM/Archangel/Xacta
● Security clearance level: Active Secret, Top Secret Preferred
● US citizenship required
● Role requirements: Onsite, travel 10%
GDIT IS YOUR PLACE
At GDIT, the mission is our purpose, and our people are at the center of everything we do.
● Growth: AI-powered career tool that identifies career steps and learning opportunities
● Support: An internal mobility team focused on helping you achieve your career goals
● Rewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off
● Community: Award-winning culture of innovation and a military-friendly workplace
OWN YOUR OPPORTUNITY
Explore a career in cyber at GDIT and you’ll find endless opportunities to grow alongside colleagues who share your focus on defending and protecting what matters.
The likely salary range for this position is $153,000 - $207,000. 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:
Less than 10%
T elecommuting Options:
Onsite
Work Location:
USA VA Sterling
Additional Work Locations:
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 receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.
Our Identity Verification Process:
As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during virtual interviews. We reserve the right to take your picture to verify your identity and prevent fraud. By proceeding, you authorize the collection, processing, and use of your biometric data for identity verification and security purposes.
About Our Work:
We are GDIT. A global technology and professional services company that delivers technology solutions and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50+ countries worldwide, offering leading mission-ready capabilities in AI, cloud, cyber and software development.
Join our Talent Community to stay up to date on our career opportunities and events at gdit.com/tc .
Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans
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Benefits
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401k
401(K)
Paid Time Off
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