Designated Authorizing Official (DAO) 3 – TS/SCI w/Poly

Amentum; Linthicum (MD); On-site; USD 175,000 - 220,000; Full time

Benefits offered by this job

Health insurance

Dental insurance

Vision insurance

Paid time off

401(k) matching

Educational reimbursement

Parental leave

Employee stock purchase plan

Disability insurance

Life insurance

Pet insurance

Job summary

Amentum is seeking a Designated Authorizing Official (DAO) 3 for a prime contract based in our Columbia, MD office. You will be responsible for RMF-based authorization and assessment, maintaining Authority to Operate compliance for all assigned systems, and coordinating cybersecurity objectives with IT and leadership.

Qualifications include TS/SCI with Poly, a DoD 8570.1 IAM Level III credential, and a minimum of eight years in IT risk assessment or security management.

Qualifications

• 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.
• Working knowledge of system security design, defense-in-depth, risk management, and security testing.
• DoD 8570.1 compliant IAM Level III certification (GSLC/CISM/CISSP or associate).

Responsibilities

• Assist in identifying security requirements and implementing security controls.
• Perform and analyze security risk assessments and risk management processes.
• Ensure cybersecurity functions are included in configuration management and development processes.
• Interact with customers, IT staff, and executives to meet cybersecurity objectives.
• Contribute to building security architecture and legacy system integration.
• Prepare security authorization documentation.

Skills

RMF knowledge

Risk assessment

Security controls

Stakeholder communication

Cybersecurity

System security design

Education

Bachelor's degree in CS/IT

12 years experience in lieu

Tools

DoD 8570.1 IAM III (GSLC/CISM/CISSP)

Job description

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 DAO3., 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.

Work Schedule: 8 hours, 5 days a week Monday - Friday

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.

Security Clearance Required:

• TS/SCI with Poly

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.
• 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.
• 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.

This position is not designated as a safety sensitive position.

As part of our commitment to maintaining a safe and compliant work environment, Amentum is a drug-free workplace and requires all personnel to comply with company drug and alcohol policies as a condition of employment. Employment is contingent upon successful completion of the drug screening process. Please note that this may include pre-hire screening for marijuana, as well as other federally controlled substances due to Amentum’s role as a federal contractor and trusted partner to the US Government.

Other Responsibilities:

Safety - Amentum enforces a safety culture whereby all employees have the responsibility for continuously developing and maintaining a safe work environment. As appropriate, each employee is responsible for completing all training requirements and fulfilling all self‑aid/buddy aid responsibilities, participating in emergency response tasks and serving on safety committees and teams.

Quality - Quality is the foundation for the management of our business and the keystone to our goal of customer satisfaction. It is our policy to consistently provide services that meet customer expectations. Accordingly, each employee must conform to the Amentum Quality Policy and carry out job activities in compliance with applicable Amentum Quality System documents and customer contracts. Each employee must read and understand his/her Quality Management and Customer Satisfaction responsibilities.

Procedure Compliance - Each employee must read, understand and implement the general and specific operational, safety, quality and environmental requirements of all plans, procedures and policies pertaining to his/her job. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability or protected veteran status.

Compensation Details:

175000 - 220000

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:

08/07/2026 - 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, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed, marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low‑income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. Learn more about your rights under Federal laws and supplemental language at Labor Laws Posters.