Senior Information Systems Security Officer (ISSO)

Fairfax, VA
Senior Information Systems Security Officer (ISSO)

Position Description
This is an opportunity to join a fast growing team of information security experts as we transform, enhance, and expand the security program for one of the largest IT providers in the world. You will support the Federal Solutions Group, including governance, risk, and compliance consulting services as well as security service delivery across one or more US based industries. The successful candidate will have broad knowledge of current security practices as well as the ability to identify and apply legal, regulatory, and industry specific security requirements. As the threat landscape evolves, this role also requires a forward embracing approach to integrating AI driven security capabilities—leveraging automation, intelligent analytics, and emerging technologies to stay ahead of sophisticated adversaries and strengthen our clients' resilience. You will help our clients define and deploy effective security solutions and strategies while addressing ever changing regulatory and industry compliance challenges. You must be able to collaborate with a variety of technical and management disciplines, including infrastructure and security architecture, security operations, application development, project managers, product owners, and others.
This position is located in our Fairfax, VA, or Lafayette, LA, office; however, a hybrid working model is acceptable.

Your future duties and responsibilities
The responsibilities of the Information Systems Security Officer include, but are not limited to supporting the Information System Security Manager in the following:
. Maintaining operational security posture for an information system or program to ensure information systems security design, implementation, management and review of policies, standards, baselines, procedures, and guidelines are established and followed. Understand business functions to help ensure business is conducted as securely as possible.
. Creating and reviewing documentation to support Systems Security Plans (SSPs), Risk Assessment Reports, Certification and Accreditation (C&A) packages, and Client Responsibility Matrices (CRM).
. Identifying, managing, and monitoring POA&Ms, assisting Business Units or clients in improving the quality and effectiveness of their POA&Ms. Provide guidance through remediation as well as develop corrective action plans for each POA&M.
. Using Artificial Intelligence (AI) and applying security concepts around AI.

Required qualifications to be successful in this role
. Bachelor's degree or 8 years of relevant experience
. Experience with Cyber Information Security Analysis
. Experience with FedRAMP and/or NIST compliance
. Experience with cloud security for AWS environments
. Demonstrated understanding of how AI and machine learning technologies impact modern security architectures, including associated risks, threat vectors, and mitigation strategies.
. Familiarity with emerging AI related guidance from NIST (e.g., AI Risk Management Framework) and its application to federal systems.
. Capability to advise stakeholders on responsible adoption of AI in security operations, including automation opportunities and guardrails for safe deployment.
. Experience with web application scanning tools and translating results into actionable tasks
. Experience with network architecture concepts, common ports and protocols, and network monitoring tools
. Experience with writing clear and concise technical documents, specifically policies, processes, and procedural documentation
. Experience with cloud native security tools
. Experience with container security tools
. Experience incorporating AI into existing security
. Organizational skills and the ability to work autonomously with attention to detail and processes
. Experience with NIST 800 53 Rev 5 Agency ATO process and documentation
. Direct experience with Certification and Accreditation techniques and methodologies

Desired qualifications/non essential skills required:
. Security+, CISSP, CISM, or similar level of certification
. Experience working with Google cloud (GCP)
. Experience with Gemini

CGI is required by law in some jurisdictions to include a reasonable estimate of the compensation range for this role. The determination of this range includes various factors not limited to skill set, level, experience, relevant training, and licensure and certifications. To support the ability to reward for merit based performance, CGI typically does not hire individuals at or near the top of the range for their role. Compensation decisions are dependent on the facts and circumstances of each case. A reasonable estimate of the current range for this role in the U.S. is $71,700.00 $176,300.00.
CGI Federal's benefits are offered to eligible professionals on their first day of employment to include:
. Competitive compensation
. Comprehensive insurance options
. Matching contributions through the 401(k) plan and the share purchase plan
. Paid time off for vacation, holidays, and sick time
. Paid parental leave
. Learning opportunities and tuition assistance
. Wellness and Well being programs
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Together, as owners, let’s turn meaningful insights into action.

Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, you’ll reach your full potential because…

You are invited to be an owner from day 1 as we work together to bring our Dream to life. That’s why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our company’s strategy and direction.

Your work creates value. You’ll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise.

You’ll shape your career by joining a company built to grow and last. You’ll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons.

Come join our team—one of the largest IT and business consulting services firms in the world.

Qualified applicants will receive consideration for employment without regard to their race, ethnicity, ancestry, color, sex, religion, creed, age, national origin, citizenship status, disability, pregnancy, medical condition, military and veteran status, marital status, sexual orientation or perceived sexual orientation, gender, gender identity, and gender expression, familial status or responsibilities, reproductive health decisions, political affiliation, genetic information, height, weight, or any other legally protected status or characteristics to the extent required by applicable federal, state, and/or local laws where we do business.

CGI provides reasonable accommodations to qualified individuals with disabilities. If you need an accommodation to apply for a job in the U.S., please email the CGI U.S. Employment Compliance mailbox at [email protected] . You will need to reference the Position ID of the position in which you are interested. Your message will be routed to the appropriate recruiter who will assist you. Please note, this email address is only to be used for those individuals who need an accommodation to apply for a job. Emails for any other reason or those that do not include a Position ID will not be returned.

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All CGI offers of employment in the U.S. are contingent upon the ability to successfully complete a background investigation. Background investigation components can vary dependent upon specific assignment and/or level of US government security clearance held. Dependent upon role and/or federal government security clearance requirements, and in accordance with applicable laws, some background investigations may include a credit check. CGI will consider for employment qualified applicants with arrests and conviction records in accordance with all local regulations and ordinances.

CGI will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with CGI’s legal duty to furnish information.

Posted 2026-08-21

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