Senior Information System Security Officer (ISSO)

Tyto Athene is searching for a Senior Information System Security Officer (ISSO) to support our federal client in Washington, DC. This role is responsible for researching, generating, and validating security controls that support the customers’ Risk Management Framework (RMF). Responsibilities include defining, creating, and maintaining Systems Security Plans (SSP) and other related documentation to support Accreditation and Authorization (A&A) reviews and to achieve Authority to Operate (ATO). Additionally, ISSOs review systems to identify potential security weaknesses, recommend improvements to remediate vulnerabilities, and assist with implementing changes and documenting upgrades. In addition to performing as an ISSO, the selected individual will also serve as a Team Lead to include making work assignments and mentoring and training less experienced team members.

Responsibilities:

• Developing and updating security authorization packages in accordance with the client’s requirement and compliant with FISMA. Core documents that you will be responsible for include but are not limited to: System Security Plan (SSP), Risk Assessment Report, Security Assessment Plan and Report, Contingency Plan, Incident Response Plan (IRP), Standard Operating Procedures (SOP), Plan of Actions and Milestones (POA&M), Remediation Plans, Configuration Management Plan (CMP), etc.
• Validate that protective measures for physical security are in place to support the system's security requirements
• Maintain an inventory of hardware and software for the information system
• Develop, coordinate, test, and train staff on Contingency Plans and Incident Response Plans
• Manage emerging and defined risks associated with the administration and use of assigned information systems
• Coordinate with relevant stakeholders to achieve and maintain the information systems' compliance and authorization to operate (ATO)
• Perform risk analyses to determine cost-effective and essential safeguards
• Support Incident Response and Contingency activities
• Able to perform security control assessment using NIST 800-53A publication as well as OMB A-130 and OMB A-123 circulars
• Conduct independent scans of the application, network, and database (where required)
• Provide continuous monitoring to enforce client security policy and procedures and create processes that will provide oversight for the system owner
• Coordinate with multiple stakeholders to complete mandatory agency data calls in a timely manner
• Train and mentor less experienced team members

Required:

• Minimum of 6 years of hands-on experience as an ISSO with at least 3 of those years spent leading system authorizations for federal government HVA, critical, high, and/or cloud systems.
• Minimum 2 of the following relevant certifications (currently active and maintained over the life of the contract): CISSP, CISM, CGRC, CRISC, ISSMP, CISA, CCSP, CEH, Security , PMP.
• Exceptional speaking, writing, and presentation skills with experience briefing up to CISO level.
• Expert knowledge of FISMA, RMF, NIST, and cyber-related OMB memoranda.
• Knowledge of cyber network defense concepts and security tools (e.g., SIEM, EDR, Tenable).
• Excellent organizational skills to support tracking detailed tasks and meeting deadlines 100% of the time.
• Excellent interpersonal skills to build and nurture strong working relationships with all stakeholders.

Desired:

• Bachelor’s Degree or higher in Cybersecurity, Management Information Systems, Information Technology, or a related field
• Understanding and experience using JCAM

Clearance:

• Secret Clearance required

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 $140K-$160K. 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, Flexible Time Off, STD/LTD/Life Insurance, Referral Bonuses, professional development reimbursement, and maternity/paternity leave.

Additional Information:

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.

Salary : $140,000 - $160,000