Information System Security Engineer III
Centuria, Philadelphia, PA
- Pay
- Not listed by the employer
- Work type
- Onsite
- Level
- Not stated
- Area
- Security engineering
- Posted
- Oct 2, 2025
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About the role
Job Title: Information System Security Engineer (ISSE) III
Location: Philadelphia, PA
Clearance: Secret
Company/ Program Description:
Centuria, a Service-Disabled Veteran-Owned Small Business (SDVOSB), has been delivering IT, Engineering, and Scientific solutions to the Federal Government since 2002. During our two decades of service, we have earned the trust and respect of our government clients for the simple reason that we have great people who are experts in their fields and take pride and ownership in everything they do.
Job Responsibilities:
•Assist with the developing, maintaining, and tracking Risk Management Framework (RMF) system security plans, which include System Categorization Forms, Platform Information Technology (PIT) Determina Checklists, Assess Only (AO) Determination Checklists, Implementation Plans, System Level Continuous Monitoring (SLCM) Strategies, System Level Policies, Hardware Lists, Software List, System Diagram Privacy Impact Assessments (PIA), and Plans of Action and Milestones (POA&M).
•Execute the RMF process in support of obtaining and maintaining Interim Authority to Test (IATT), AO approval, Authorization to Operate (ATO), and Denial of Authorization to Operate (DATO). Identify and tailor IT and Cyber Security (CS) control baselines based on RMF guidelines and categorization of the RMF boundary.
•Perform Ports, Protocols, and Services Management (PPSM). Perform IT and CS vulnerability-level risk assessments.
•Execute security control testing as required by a risk assessment or annual security review (ASR). Mitigate and remediate IT and CS system level vulnerabilities for all assets within the boundary per STIG requirements. Develop and maintain Plans of Actions and Milestones (POA&M) in Enterprise Mission Assurance Support Service (eMASS).
•Develop and maintain system level IT and CS policies and procedures for respective RMF boundaries in accordance with guidance provided by the command ISSMs. Implement and assess STIG and SRGs.
•Perform and develop vulnerability assessments with automated tools such as Assured Compliance Assessment Solution (ACAS), Security Content Automation Protocol (SCAP) Compliance Check (SCC) and Ev STIG.
•Deploy security updates to Information System components.
•Perform routine audits of IT system hardware and software components. Maintain inventory of Information System components.
•Participate in IT change control and configuration management processes.
• Upload vulnerability data in Vulnerability Remediation Asset Manager (VRAM). Image or re-image assets that are part of the assigned RMF boundary.
•Install software and troubleshoot software issues as necessary to support compliance of the RMF boundaries’ assets.
•Assist with removal of Solid-State Drive (SSD), Hard Disk Drive (HDD) or other critical components of assets before destruction and removal from the RMF boundary.
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Listed on Centuria's Lever job board; checked 4 h ago. First seen by us 32 h ago. Being listed doesn't mean the team is actively interviewing. We found this board in a public directory and haven't yet confirmed it against the company's own careers page.