Information Systems Security Officer (ISSO), Senior

  • R0153466
  • On Site
  • Fort Meade, Maryland, United States
  • Full time
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Purpose and Impact: 

In support of DISA, the Intel and Cyber Division is assembling a team to support a program that provides critical network capabilities to the Department of Defense. We are committed to recruiting and retaining this team for prototype development, test, and demonstration, as well as making this team available longer term for integration, deployment and sustainment as needed.

Candidates interested in joining the team must be critical thinkers, have a strong work ethic, and be able to work independently or as a member of a team in a dynamic environment that supports a critical and rewarding mission. We value candidates who are detail-oriented while also being able to think and react quickly to emerging and unique problem sets. To be successful, you must be able to rapidly adapt and learn how to operate the front and back end of new products and processes.

Work Schedule: 8 Hours per day, Monday thru Friday

Essential Responsibilities:

The duties and responsibilities of the Senior ISSO include, but are not limited to the following:

  • Provide support for implementing and enforcing information systems security policies, standards, and methodologies.
  • Analyze threats and develop and implement best practice methodologies for incident detection, reporting, and vulnerability remediation.
  • Serve as a focal POC between the project team and the accreditation office
  • Review/assess network diagrams and schematics
  • Review and interpret system vulnerability scans and work with project team to resolve security issues
  • Resolve inconsistencies and irregularities in the submission of A&A documentation
  • Conduct self-assessments and create and submit assessment reports analyzing organizational risk to the Government client
  • Manage software and hardware compliance, systems certification and accreditation, patch management, and continuous monitoring/scanning
  • Maintaining systems as well as working with SETA and development contractors to prepare SSPs and work through the A&A processes.
  • Generate and continually review/update the Body of Evidence (BOE) and artifacts
  • Evaluate security solutions to ensure they meet security requirements for processing information.
  • Provide support to the Information System Security Manager (ISSM) for maintaining the appropriate operational IA posture for a system/program/enclave.
  • Develop and update system security plans and other IA documentation.
  • Support Information Assurance Vulnerability Alerts (IAVAs) management (initiating IAVA responses and system security scans, completing remediation, extending IAVA patches and security updates to designated sites, etc.)
  • Maintain comprehensive eMASS records by managing system documentation, assigning and validating security controls, and overseeing the Plan of Action and Milestones (POA&M) to track and resolve system vulnerabilities.

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.

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.  

Minimum Requirements (Knowledge, Skills, and Abilities):

  • Bachelor’s degree in a related field and at least 10 years of relevant experience. Additional experience may be substituted for a degree
  • TS/SCI security clearance
  • Current DOD 8570 Information Assurance Technician "IAT" Level II certification
  • Must have at least 8 years of experience as ISSO working independently, and/or on teams maintaining secure information system operations
  • Must have at least 5 years of experience using tools to support IAVA management
  • Must have at least 5 years of experience using tools to support the preparation, maintenance, and management of SSPs and other security related documentation
  • Direct experience with patch management, continuous monitoring, and vulnerability scanning/remediation activities including implementing a continuous monitoring plan across multiple security domains
  • In-depth knowledge of and experience with tools used for vulnerability assessments such as ACAS, Nessus, SCAP, etc.
  • In-depth experience completing security evaluations of software systems or architectures to ensure they meet security requirements
  • In-depth experience proposing, coordinating, implementing, and enforcing information systems security policies, standards, and methodologies, preferably on a large IT program
  • Demonstrated experience performing day-to-day security operations of large, complicated information and information processing systems
  • Proven hands-on experience with the eMASS platform, including system registration, managing security controls, and developing A&A packages.

Clearance Required:  

  • Must have active Top Secret clearance with SCI eligibility

Minimum Education: 

  • Bachelor’s degree or equivalent in the fields of mathematics, telecommunications, electrical engineering, computer engineering, or computer science

Minimum Years of Experience:  

  • 10 Years of relevant experience

Required Certifications:

  • DoD 8570 IAT Level II certification


Preferred Qualifications:

  • Master's degree in IT or related field
  • Previous SAP experience
  • Prior experience as an ISSM or ISSE
  • DoD 8570 IAT or IAM Level III certification
  • Familiarity with cloud computing and related security concepts as well as cross-domain solutions

#javelin

       

Compensation Details:

200000

       

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:

02/05/2026 - 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.

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If you are an applicant with a disability that requires a reasonable accommodation to complete any part of the application process, or are limited in the ability—or unable to use—the online application system and need an alternative method for applying, you may contact our Reasonable Accommodation Helpline at 1-888-877-3181 or 301-944-3299 for assistance. In order to address your request, the following information is needed:

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  • Upon receipt of this information we will respond to you promptly to obtain more information about your request.