Information Systems Security Officer (ISSO)

Description

Tyto Athene has an exciting opportunity for an ISSO to join our team at one of our largest clients. The candidate will ensure that security requirements for information systems meet FISMA requirements.

Responsibilities:

• Develop and update security authorization packages in accordance with the client's requirement and compliant with FISMA. Core documents that the candidate will be responsible for are the System Security Plan, Risk Assessment Report, Security Assessment Plan and Report, Contingency Plan, Incident Response Plan, Standard Operating Procedures, Plan of Actions and Milestones, Remediation Plans, Configuration Management Plan, etc.

• Develop and maintain the Plan of Action and Milestones and support remediation activities.

• Validate protective measures for physical security are in place to support the systems security requirements.

• Maintaining an inventory of hardware and software for the information system.

• Developing, coordinating, testing, and training on Contingency Plans and Incident Response Plans.

• Perform risk analyses to determine cost-effective and essential safeguards.

• Support Incident Response and Contingency activities.

• Able to perform security control assessment in using NIST 800-53A guidance.

• Review scan reports of the application, network, and database.

• Provide continuous monitoring to enforce client security policy and procedures and create processes that will provide oversight into the following activities for the system owner.

• Coordinate with multiple stakeholders to complete mandatory agency data calls in a timely manner.

The ISSO should be intimately familiar with some aspects of the following:

• Federal Government Information Assurance policies and regulations to include OMB requirements, FISMA, and NIST 800 series.

• OMB A-123 circular; OMB A-130 circular; FIPS 140, 199, 200, 201; NIST SP 800-18, 37 Revision 1, 39, 53 Revisions 3 and 4, 53A Revision 1, 60 Volumes 1 and 2, 800-64 Revision 2, 137, 144, 147; CNSS 1253 and risk management methodologies.

• Networks, network protocols, routers, and switches and how they interact with automated vulnerability assessment tools, open-source vulnerability assessment tools and techniques used for evaluating security controls on Windows, Linux, and Unix operating systems, networking devices, databases and web servers.

• Reviewing results from automated vulnerability and risk assessment tools such as Qualys (preferred) orNessus,.

• Unix/Linux, Windows, and Macintosh.

• Network Security Architecture.

Qualifications

Required:

• Minimum of 5 years of relevant experience in functional responsibility

• Preferred certifications: CRISC, CAP, Sec+ or equivalent

• Thorough understanding and knowledge of FISMA and SA&A process

• Experience with NIST publications, OMB circulars, and memoranda, and CNSS publications and their requirements and impact on system security

• Proficiency in writing technical analysis reports

• Strong written and oral communication skills

• Critical thinking

• Strategy development

• Balancing security requirements with mission needs

• Good judgment and business acumen

• Relationship management

• Project management (ability to track detailed tasks and ensure timely delivery)

• Ability to work quickly, efficiently, and accurately in a dynamic and fluid environment

Desired:

• Understanding and experience with ServiceNow GRC/CAMs

• Fedramp and Cloud (Azure, AWS) experience

• Experience with vulnerability assessments tools such as Nessus, Qualys and BigFix

• Experience in administrating BSD/UNIX, Windows, Windows NT, LINUX, or open systems-compliant systems

Clearance:

• US Citizen with Public Trust eligibility

Education:

• Bachelor's Degree required

About Tyto Athene

Compensation:

• Compensation is unique to each candidate and relative to the skills and experience they bring to the position. The salary range for this position is typically between 155-165K. This does not guarantee a specific salary as compensation is based upon multiple factors such as education, experience, certifications, and other requirements, and may fall outside of the above-stated range.

Benefits:

• Highlights of our benefits include Health/Dental/Vision, 401(k) match, Paid Time Off, STD/LTD/Life Insurance, Referral Bonuses, professional development reimbursement, and parental leave.

Tyto Athene is a trusted leader in IT services and solutions, delivering mission-focused digital transformation that drives measurable success. Our expertise spans four core technology domains-Network Modernization, Hybrid Cloud, Cybersecurity, and Enterprise IT-empowering our clients with cutting-edge solutions tailored to their evolving needs. With over 50 years of experience, Tyto Athene proudly support Defense, Intelligence, Space, National Security, Civilian, Health, and Public Safety clients across the United States and worldwide.

At Tyto Athene, we believe that success starts with our people. We foster a collaborative, innovative, and mission-driven environment where every team member plays a critical role in shaping the future of technology. Are you ready to join #TeamTyto?

Tyto Athene, LLC is an Equal Opportunity Employer; all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, [sexual orientation, gender identity,] national origin, disability, status as a protected veteran, or any characteristic protected by applicable law.

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Location US-DC-Washington

ID 2026-2050

Category Information Technology

Position Type Full-Time