As the Senior ISSE on a dynamic team, you will perform technical security assessments of computing environments to identify points of vulnerability, non-compliance with established Information Assurance (IA) standards and regulations and recommend mitigation strategies.

Essential Responsibilities:

• Perform or review technical security assessments of computing environments to identify points of vulnerability, non-compliance with established Information Assurance (IA) standards and regulations and recommend mitigation strategies. 
• Validates and verifies system security requirements definitions and analysis and establishes system security designs. 
• Designs, develops, implements and/or integrates IA and security systems and system components including those for networking, computing, and enclave environments to include those with multiple enclaves and with differing data protection/classification requirements. 
• Builds IA into systems deployed to operational environments. 
• Assists architects and systems developers in the identification and implementation of appropriate information security functionality to ensure uniform application of Agency security policy and enterprise solutions. 
• Supports the building of security architecture. 
• Enforce the design and implementation of trusted relations among external systems and architectures.  Assesses and mitigates system security threats/risks throughout the program life cycle. 
• Contributes to the security planning, assessment, risk analysis, risk management, certification and awareness activities for system and networking operations. 
• Reviews certification and accreditation (C&A) documentation, providing feedback on completeness and compliance of its content.

Minimum Requirements (Knowledge, Skills, and Abilities):

• Fourteen (14) years of IA System Architect and Engineer (IASAE) experience, to include recent experience within the last five years, with Defense-in-Depth principles and technology, including access/control, authorization, identification and authentication, Public Key Infrastructure (PKI), network and enterprise security architecture.
• A Master’s Degree in Computer Science or IT Engineering is desired and may be substituted for six (6) years of experience.
• Two years of experience applying security risks assessment methodology to system development, including threat model development, vulnerability assessments, and resulting security risk analysis.
• Knowledge of Federal, NSA, IC, and DoD Information Security regulations, publications, and policy.
• Must have a TS/SCI US Government Security Clearance. Note: US Citizenship is required to maintain a TS/SCI Clearance.

Certification Requirements:

IASAE Level III (CISSP-ISSAP, CISSP-ISSEP, or CCSP) Certification

Preferred Qualifications:

A master’s degree in computer science or IT Engineering is desired and may be substituted for six (6) years of experience for a total of eight (8) years of experience.

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.

This position is 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.  

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Compensation Details:

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:

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.