Information Systems Security Officer (ISSO)

Contact Government Services, LLC
Chantilly, Loudoun County, VA

Job Description

Job Description

ISSO

Employment Type: Full-Time, Experienced

Department: Information Technology

CGS is seeking an Information Systems Security Officer (ISSO) with DIACAP and/or RMF experience who has deep expertise in security assessment documentation to support Dept. of Commerce systems and efforts to achieve their Authorization to Operate (ATO). This position is located at the client site in the Herbert Hoover building in Washington, DC. The scope of this position includes full life-cycle Assessment and Authorization (A&A) management through all 6 Steps of the RMF process in support of the Government ISSM.In this role, you’ll conduct security assessment, and information system security oversight activities in accordance with NIST 800.53 that support systems from the perspective RMF requirements.

CGS brings motivated, highly skilled, and creative people together to solve the government’s most dynamic problems with cutting-edge technology. To carry out our mission, we are seeking candidates who are excited to contribute to government innovation, appreciate collaboration, and can anticipate the needs of others. Here at CGS, we offer an environment in which our employees feel supported, and we encourage professional growth through various learning opportunities.

Skills and attributes for success:

- Review systems to identify potential security weaknesses and recommend improvements to amend vulnerabilities, implement changes, and document upgrades.

- Maintain responsibility for managing cybersecurity risk from an organizational perspective.

- Identify organizational risks, prioritize those risks, and maintain a risk registry for escalating and presenting those risks to senior leadership.

- Provide security guidance and IS validation using the National Institute of Standards and Technology (NIST) RMF, DoC, and local security policies.

- Providing configuration management (CM) recommendations for information system security software, hardware, and firmware and coordinating changes and modifications with the ISSM, Security Control Assessor (SCA), and Authorizing Official (AO).

- Maintain vulnerability scanning tool compliance, such as HBSS or ACAS, and patch management, such as IAVM to ensure IT staff pushes patches to all systems in an effort to maintain compliance with all applicable directives, manage system changes, and assess the security impact of those changes.

- Support security authorization activities, including transitioning from the legacy Information Assurance Certification and Accreditation Process (DIACAP) to compliance with the DoC RMF.

- Provide subject matter expertise for cyber security and trusted system technology.

- Apply advanced technical knowledge and analysis of specialized functional areas in task requirements to develop solutions to complex problems.

- Research, write, review, disposition feedback, and finalize recommendations regarding cyber security policy, assessment and authorization assessments (A&As), security test and evaluation reports, and security engineering practices and processes.

- Conduct research and write risk assessment reports to include risk thresholds, evaluation, and scoring.

- Support analysis of the findings and provide expert technical guidance for mitigation strategies, including implementation advice on the cyber security risk findings, and other complex problems.

Qualifications:

- Bachelor’s Degree.

- A minimum of five (5) years experience as an Information Assurance (IA) Analyst, ISSE, ISSO, or similar role in ATO package development, including generating security documentation for requirements, security control assessment, STIG and IAVA compliance, Standard Operating Procedures, test results, etc.

- eMASS experience.

- Professional security certification such as: CCNA Security, CySA+, GICSP, GSEC, CompTIA Security+ CE, SSCP, or higher.

- Strong desktop publishing skills using Microsoft Word and Excel.

- Experience with industry writing styles such as grammar, sentence form, and structure.

- Ability to multi-task in a deadline-oriented environment.

Ideally, you will also have:

- CISSP, CASP, or a similar certificate is preferred.

- Master's Degree in Cybersecurity or related field.

- Strong initiative, detail orientation, organizational skills, and aptitude for analytical thinking.

- Demonstrated ability to work well independently and as a part of a team.

- Excellent work ethic and a high commitment to quality.

Our Commitment:

Contact Government Services (CGS) strives to simplify and enhance government bureaucracy through the optimization of human, technical, and financial resources. We combine cutting-edge technology with world-class personnel to deliver customized solutions that fit our client’s specific needs. We are committed to solving the most challenging and dynamic problems.

For the past seven years, we’ve been growing our government contracting portfolio, and along the way, we’ve created valuable partnerships by demonstrating a commitment to honesty, professionalism, and quality work.

Here at CGS we value honesty through hard work and self-awareness, professionalism in all we do, and to deliver the best quality to our consumers mending those relations for years to come.

We care about our employees. Therefore, we offer a comprehensive benefits package.

Health, Dental, and Vision

Life Insurance

401k

Flexible Spending Account (Health, Dependent Care, and Commuter)

Paid Time Off and Observance of State/Federal Holidays

Contact Government Services, LLC is an Equal Opportunity Employer. Applicants will be considered without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

Join our team and become part of government innovation!

Explore additional job opportunities with CGS on our Job Board:

-our-team/

For more information about CGS please visit: or contact:

Email: [email protected]

#CJ

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

Posted 2026-04-05

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