Senior Cybersecurity Systems Engineer (on-site)

Job Title: Senior Cybersecurity Systems Engineer

Location: Navy Yard - On-Site (Hybrid arrangement likely based on current program operations)

Clearance Requirement: Active DoD Secret Clearance Required

Environment: DoD / Navy ERP / SAP Enterprise Environment



Position Summary
Serves as a senior cybersecurity and RMF subject matter expert leading MLS security engineering, compliance initiatives, and enterprise risk management activities.



Required Experience
8+ years of cybersecurity, RMF, information assurance, or enterprise security engineering experience.



Key Responsibilities

• Design, develop, engineer, and implement solutions to MLS requirements.
• Perform complex risk analyses and enterprise risk assessments.
• Establish and satisfy information assurance and security requirements based on user, policy, regulatory, and operational demands.
• Support customers and leadership in the development and implementation of cybersecurity doctrine and policies.
• Apply cybersecurity expertise to enterprise and specialized systems requiring advanced security protections.
• Perform analysis, design, and development of security features for enterprise system architectures.
• Lead RMF assessment and authorization activities for enterprise applications and cloud environments.
• Oversee continuous monitoring programs, annual control assessments, and POA&M management.
• Lead DISA STIG validation efforts and vulnerability remediation initiatives.
• Provide technical guidance and mentorship to cybersecurity and RMF personnel.

Required Skills

• NavyERP experience required
• eMASS (SA&A Tool)
• SecurityBridge SAP Vulnerability Scanner
• Expert knowledge of NIST RMF, NIST SP 800-53, CNSSI-1253, DoD 8510.01, and DISA STIGs.
• Advanced experience with vulnerability management platforms, SIEM technologies, and automated compliance tools.
• Strong understanding of SAP security, enterprise architectures, and cloud security principles.
• Excellent leadership, analytical, and communication skills.

Preferred Qualifications

• Extensive experience with SPLUNK, Tenable, Microsoft Defender, Tripwire, SecurityBridge, and eMASS.
• Experience supporting SAP systems, Navy ERP, and AWS GovCloud hosted environments.
• Relevant certifications such as CISSP, CAP, CASP+, Security+, or CISM.

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.

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