Information System Security Engineer

Booz Allen Hamilton; United States; On-site; USD 99,000 - 225,000; Full time

Job summary

Booz Allen Hamilton is seeking a seasoned cybersecurity engineer to lead security efforts across the full system lifecycle for DoD collateral, SAP, and SCI environments. You will ensure security requirements are embedded in architectures, designs, and tests, supporting RMF and JSIG accreditation.

The role requires 8+ years on classified programs, RMF tooling experience, and TS/SCI with polygraph willingness. Collaboration with ISSOs, ISSMs, SCAs, and stakeholders is essential to success.

Qualifications

• 8+ years of experience as an ISSO, ISSM, ISSE or SCA supporting classified programs.
• Experience supporting RMF activities, including documentation in tools such as EMASS, SNOW or Xacta
• Experience building or maintaining classified networks such as SIPRNet or CWAN
• Ability to build and review SPLUNK dashboards, correlation searches, and audit analysis
• Ability to decompose RMF security requirements such as DoD JSIG, DAAG, or ICD-503 into technical solutions
• Active TS/SCI clearance; willingness to take a polygraph exam
• Bachelor’s degree
• IAM Level III Certification, including CISSP, GSLC, or CISM Certification

Responsibilities

• Lead cybersecurity engineering across the full system lifecycle for DoD collateral, SAP, and SCI environments.
• Integrate and refine cybersecurity requirements within system designs and architecture.
• Conduct security architecture reviews, threat modeling, and technical risk assessments.
• Develop and maintain security artifacts such as STIG checklists, control traceability, or architecture diagrams.
• Collaborate with ISSOs, ISSMs, SCAs, and program stakeholders throughout system development.

Skills

Threat modeling

RMF processes

Security architecture

Splunk

Education

Bachelor’s degree

IAM Level III Certification (CISSP/GSLC/CISM)

Tools

EMASS

SNOW

Xacta

SIPRNet

CWAN

Splunk dashboards

Job description

The Opportunity:

You will lead cybersecurity engineering efforts across the full system lifecycle for DoD collateral, SAP, and SCI environments. This role ensures security requirements are integrated into system architectures, designs, development, testing, and sustainment activities, and supports accreditation under the Risk Management Framework (RMF) and JSIG.

What You’ll Work On:

• Integrate and refine cybersecurity requirements within system designs and architecture.

• Conduct security architecture reviews, threat modeling, and technical risk assessments.

• Develop and maintain security engineering artifacts such as STIG checklists, control traceability, or architecture diagrams.

• Assess system compliance, evaluate design alternatives, and provide mitigation recommendations.

• Support secure enclave integration, including SIPRNet architecture, boundary defenses, and Type 1 crypto devices.

• Analyze risks associated with emerging tools, technologies, and processes.

• Collaborate with ISSOs, ISSMs, SCAs, and program stakeholders throughout system development.

Join us. The world can't wait.

You Have:

• 8+ years of experience as an ISSO, ISSM, ISSE or SCA supporting classified programs

• Experience supporting RMF activities, including documentation in tools such as EMASS, SNOW or Xacta

• Experience building or maintaining classified networks such as SIPRNet or CWAN

• Ability to build and review SPLUNK dashboards, correlation searches, and audit analysis

• Ability to decompose RMF security requirements such as DoD JSIG, DAAG, or ICD-503 into technical solutions

• Active TS/SCI clearance; willingness to take a polygraph exam

• Bachelor’s degree

• IAM Level III Certification, including CISSP, GSLC, or CISM Certification

Nice If You Have:

• Experience with DoD cloud environments such as Azure or AWS IL5/IL6

• Experience with CORA and mission impact processes

• CCSP, CASP+, Cloud or Network Security Certifications

Clearance:

Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information; TS/SCI clearance is required.

Compensation

• At Booz Allen, we celebrate your contributions, provide you with opportunities and choices, and support your total well-being.
• Our offerings include health, life, disability, financial, and retirement benefits, as well as paid leave, professional development, tuition assistance, work-life programs, and dependent care.
• Our recognition awards program acknowledges employees for exceptional performance and superior demonstration of our values.
• Full-time and part-time employees working at least 20 hours a week on a regular basis are eligible to participate in Booz Allen’s benefit programs.
• Individuals that do not meet the threshold are only eligible for select offerings, not inclusive of health benefits.
• We encourage you to learn more about our total benefits by visiting the Resource page on our Careers site and reviewing Our Employee Benefits page.

Salary at Booz Allen is determined by various factors, including but not limited to location, the individual’s particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements. The projected compensation range for this position is $99,000.00 to $225,000.00 (annualized USD). The estimate displayed represents the typical salary range for this position and is just one component of Booz Allen’s total compensation package for employees. This posting will close within 90 days from the Posting Date.

Identity Statement

As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during interviews and assessments. We reserve the right to take your picture to verify your identity and prevent fraud.

Candidate AI Usage Policy

AI is a part of our daily work at Booz Allen, and we are committed to the responsible and ethical use of AI tools. However, we want to ensure a fair candidate process based on your own skills and knowledge. As part of this commitment, the use of artificial intelligence (AI) or other tools to assist with responses during interviews (whether in-person or virtual) is prohibited unless permission is explicitly provided.

Work Model

Our people-first culture prioritizes the benefits of collaboration, whether it occurs in person or virtually. To support engagement and effective communication, employees working virtually are generally expected to have their cameras on during meetings.

• Remote: If this position is listed as remote, there may still be occasions when you are required to work in person at a Booz Allen or customer facility.

• Hybrid: If this position is listed as hybrid, you will be expected to work from a Booz Allen facility frequently, in alignment with leadership expectations and the needs of the role. You may also be required to work from or visit a customer facility.

• Onsite: If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state, local, or international law.