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Specialist, Information System Security III (SISS3)
Armada LtdPhiladelphia, United Statesfull_timeVerifiedPosted 7 Jul 2026
About the role
Type: Full Time
Location: Philadelphia, PA
Overtime Exempt: Exempt
Reports To: ARMADA HQ
Travel Required: Yes
Security Clearance Required: Active Secret Security Clearance
************CONTINGENT UPON AWARD***************
Duties & Responsibilities:
- Specialist, Information System Security III (SISS3) will conduct risk and vulnerability assessments of planned and installed systems to identify vulnerabilities, risks and protection needs; conduct systems security evaluation, audits, and reviews; determine the residual risk of a package based on package content and assessment results and documenting for the Security Controls Assessor's (SCA) and higher level review.
- Execute Security Assessment Plans (SAPs) by conducting on-site testing for afloat and PIT ashore systems. Examples include executing STIGs, SRGs, ACAS scanning, and applying patches assets to obtain cybersecurity compliance and remediate vulnerabilities.
- Specialist, Information System Security III (SISS3) will conduct systems security reviews, audits, or evaluations, as appropriate, to ensure accreditation documents are accurate and represent the current risk posture of the system.
- Perform analysis of logs, events, and reporting of various data collections tools including: vulnerability monitoring via Assured Compliance Assessment System (ACAS) and related tools, Host Based Security Systems (HBSS), web content filters, Security Information and event management (SIEM), firewall systems, network devices, server devices, workstations, and intrusion detection and prevention systems (ID/PS).
- Specialist, Information System Security III (SISS3) will assess impacts from observed risks and report via the Cybersecurity Program chain of command.
- Executing Security Assessment Plans (SAPs) by conducting on-site testing for afloat and PIT ashore systems. Examples include executing STIGs, SRGs, ACAS scanning, and applying patches assets to obtain cybersecurity compliance and remediate vulnerabilities.
- Perform the evaluation of system administrator, security engineer, and/or system owner proposed corrections to ensure compliance and best-fit solution.
- Specialist, Information System Security III (SISS3) will present and submit data to management, develop reports, and produce procedural documentation in a comprehensive and cohesive manner.
- Perform risk management and security engineering for Research, Development, Testing, and Evaluation (RDT&E) RMF Afloat systems include Information Assurance Vulnerability Management (IAVM) support, remediation, patching, scanning and associated boundary maintenance.
- Specialist, Information System Security III (SISS3) will document residual risks in a plan of actions and milestones formatted in compliance with the current package system, currently eMASS.
- Specialist, Information System Security III (SISS3) will maintain current vulnerability scan data and residual risk plan of actions and milestones in Vulnerability Remediation Asset Manager (VRAM).
- Manage, attend, and support configuration control board practices.
- Create and verify the accuracy of POA&Ms/RARs as identified by vulnerability actual test results.
- Specialist, Information System Security III (SISS3) shall write technical documentation such as user manuals, reports, documentation, policies, presentations, Plan of Action and Milestones (POA&Ms), risk assessments, proposals, outlines, and summaries in support of both ashore and afloat systems across multiple platforms. Support developing of technical documents across multiple platforms including configuration management, milestone, issue tracking, web site content management and RMF documentation.
- Specialist, Information System Security III (SISS3) may be required to travel CONUS (any state in USA) and OCONUS (primarily Japan, and any country in Europe). The estimated number of trips is 14 per year (estimated 25%-30% travel).
- Other duties as assigned.
Knowledge, Skills, and Abilities (KSAs):
- Ability to travel CONUS (any state in USA) and OCONUS (primarily Japan, and any country in Europe).
- Proficient in Microsoft Windows Operating System Administration, including Windows 11, Windows 10, Windows 7, and Windows XP (at a minimum).
- Abi
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