Information System Security Officer (ISSO)

About the role

At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the limitless potential of technology and ingenuity for clients across defense, national security, public safety, civilian, and military health organizations. Join Accenture Federal Services, a technology company within global Accenture. Recognized as a Glassdoor Top 100 Best Place to Work, we offer a collaborative and caring community where you feel like you belong and are empowered to grow, learn and thrive through hands-on experience, certifications, industry training and more. Join us to drive positive, lasting change that moves missions and the government forward!

Responsibilities

• Continuous monitoring, vulnerability assessment, and risk analysis, including validating remediation actions and documenting POA&M updates
• Maintain RMF/JSIG documentation packages — SSP, SAP, SAR, POA&M, and continuous monitoring artifacts — supporting ATO and audit activities
• Implement security controls and ensure compliance with STIG/CIS benchmarks and security authorization baselines
• Coordinate with system administrators, security engineers, and DevOps teams on system changes that affect security posture, including Zero Trust Architecture requirements
• Handle and investigate security incidents, escalating and tracking recovery actions
• Review audit logs and analyze continuous monitoring tools to identify anomalies, threats, and insider risk
• Ensure systems maintain compliance with their security authorization package and ATO requirements
• Produce complete, audit‑ready RMF documentation supporting authorization and assessment activities
• Identify, track, and remediate vulnerabilities and security findings in a timely manner
• Document incident response actions with verified restoration of affected controls
• Maintain a continuous monitoring program that measurably improves system security posture over time

Requirements

• 3+ years of experience in an ISSO or equivalent security role — implementing security controls under RMF, JSIG, or ICD 503, using vulnerability management and SIEM tools (e.g., Nessus/ACAS, Splunk), and supporting cloud environments (AWS or Azure)
• DoD 8570 IAT Level II certification (e.g., Security+), or DoD 8140 equivalent
• Bachelor's degree in Computer Science, Information Systems, Engineering, or a related field, or 4+ years of relevant job or military experience in lieu of degree
• Active TS clearance required; SCI preferred

Qualifications

• DoD 8570 IAM Level II certification (e.g., CASP+, CISSP), or an AWS/Azure security certification