Information System Security Engineer III

Philadelphia, PA

Full Time

Experienced

Location: Philadelphia, PA
Clearance: Secret
Position Type: Full-time

AERMOR is seeking a highly skilled Information System Security Engineer III to provide comprehensive information assurance (IA) and cybersecurity support. The successful candidate will be responsible for developing, implementing, and maintaining RMF compliance documentation, conducting vulnerability assessments, executing system security testing, and ensuring Department of Defense (DoD) Information Technology (IT) systems achieve and maintain accreditation (ATO/IATT).

*This is not a remote position*

Key Responsibilities

Develop, maintain, and track RMF system security plans.
Identify and tailor IT and Cybersecurity control baselines based on system categorization
Perform Ports, Protocols, and Services Management (PPSM)
Conduct IT and Cybersecurity risk and vulnerability assessments.
Execute security control testing per RMF assessments and annual security reviews.
Mitigate and remediate vulnerabilities using STIG requirements.
Develop and maintain POA&Ms in eMASS.
Implement and assess STIGs and SRGs.
Perform vulnerability assessments using ACAS, SCAP Compliance Checker (SCC), and Evaluate-STIG.
Deploy security updates, patches, and compliance configurations across system assets.
Conduct routine audits of IT system hardware/software components.
Maintain inventory of information system components.
Support IT change control and configuration management processes.
Support configuration documentation, change control, and DoD STIG compliance.
Ensure compliance of enterprise IT assets (e.g., Windows Servers, Cisco network hardware) via vulnerability assessments, patching, and STIG adherence.

Required Qualifications

Bachelor’s degree in Computer Science, Information Technology, or an equivalent STEM discipline from an accredited college/university.
Minimum 7 years of professional experience in cybersecurity operations,
Must hold an IAT III certification.
Familiarity with eMASS, VRAM, ACAS, SCC, and STIG compliance.

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