Designated Authorizing Official; DAO - TS​/SCI w​/Poly Security Clearance

Position: Designated Authorizing Official (DAO) 3 - TS/SCI w/Poly with Security Clearance
Purpose and Impact:
Amentum is seeking a Designated Authorizing Official (DAO) 3 for a prime contract that is based out of our Columbia, MD office. As a DAO
3., you will serve on a team that is responsible for the Authorization and Assessment process under the Risk Management Framework (RMF) for new and existing information systems and will be expected to maintain Authority to Operate compliance for all assigned systems.

Essential Responsibilities:

* Responsible for assisting in identifying the overall security requirements for the protection of data, to ensure the implementation of appropriate security controls, and perform and analyze the security risk assessment, risk analysis, risk management process, security control assessments, and awareness activities for systems and networking operations.
* Provide assistance to ensure Cybersecurity functions are included in the configuration management process.
* Interact with customers, Information Technology (IT) staff, and high-level corporate officers in defining and achieving required Cybersecurity objectives for the organization.
* Contribute to building security architecture.
* Assist with the integration of legacy systems. Contribute to the acquisition/RDT&E environment and building Cybersecurity into systems deployed in operational environments.
* Prepare security authorization documentation.

Minimum Requirements (Knowledge, Skills, and Abilities):
* Analyze Cybersecurity built into systems to be deployed to operational environments
* Prepare risk assessment, plan of actions, authorization recommendations, and related security authorization documentation
* Identify and support overall security requirements for the protection of data to ensure the implementation of information security policies, activities, and controls
* Ensure Cybersecurity functions are included in the development and risk management process, particularly those focusing on infrastructure protection and defensive IT strategy
* Facilitate interaction with customers, IT staff, and high-level corporate officers to assist in defining and achieving required risk management objectives for the organization
* Support integration of legacy systems within respective IT environment.

Clearance Required:

* TS/SCI w/Polygraph

Minimum Education:

* A Bachelor's degree in Computer Science, Information Technology Engineering, or related field.
* In lieu of a Bachelor's degree, an additional four (4) years of experience for a total of twelve (12) years. Minimum Years of

Experience:

* Eight (8) years of related work experience as an IT Risk Assessor, System Security Engineer, Information Systems Security Manager or DAO.
* In lieu of a Bachelor's degree, an additional four (4) years of experience for a total of twelve (12) years.
* Working knowledge of the following is required: system security design process, defense-in depth/breadth, engineering life cycle, information domains, cross-domain solutions, controlled interfaces, identification, authentication and authorization, system integration, ICD 503 (formerly NISCAP), risk management, intrusion detection, contingency planning, incident handling, configuration control, change management, auditing, security authorization process, principles of Cybersecurity (confidentiality, integrity, non-repudiation, availability, access control), and security testing Required

Certifications:

* DoD 8570.1 compliant IAM Level III certification, such as the GSLC, CISM, CISSP (or associate) certification. #javelin Compensation Details:
$180,000 - $220,000 The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued. Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws.

Benefits Overview:
Our health and welfare benefits are designed to support you and your priorities. Offerings include:
* Health, dental, and vision insurance
* Paid time off and holidays
* Retirement benefits (including 401(k) matching)
* Educational reimbursement
* Parental leave
* Employee stock purchase plan
* Tax-saving options
* Disability and life insurance
* Pet insurance

Note:

Benefits may vary based on employment type, location, and applicable agreements. Positions governed by a Collective Bargaining Agreement (CBA), the McNamara-O'Hara Service Contract Act (SCA), or other employment contracts may include different provisions/benefits. Original Posting:
01/28/2026 - Until Filled
Amentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting. This timeline may change based on business needs. Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation,…