What are the responsibilities and job description for the Cybersecurity Systems Engineer (on-site) position at System One?
Job Title: Cybersecurity Systems Engineer (2 openings)
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
Performs advanced cybersecurity compliance, RMF assessment, and MLS security activities supporting enterprise financial systems and SAP environments.
Required Experience
For a Junior Level candidate, 3–5 years of cybersecurity, RMF, or information assurance experience in a DoD environment.
For a Mid Level candidate, 5-8 years of experience.
Key Responsibilities
- Analyze and define security requirements for MLS issues.
- Design, develop, engineer, and implement solutions to MLS requirements.
- Guide efforts to gather and organize technical security information and mission requirements.
- Perform vulnerability assessments and interpret scan results.
- Lead RMF Assessment & Authorization activities using eMASS.
- Conduct DISA STIG compliance assessments across infrastructure and applications.
- Develop mitigation plans for non-compliant controls and POA&M items.
- Perform risk analyses and risk assessments in accordance with NIST SP 800-30.
- Develop and maintain cybersecurity standards and documentation.
- Support ATO/IATT package development and continuous monitoring activities.
Required Skills
- NavyERP experience required
- eMASS (SA&A Tool)
- SecurityBridge SAP Vulnerability Scanner
- Strong knowledge of NIST RMF, DoD cybersecurity policies, DISA STIGs, and ETICS.
- Experience with automated RMF/A&A tools such as eMASS.
- Experience conducting vulnerability management and compliance assessments.
- Ability to communicate effectively with technical and leadership teams.
Preferred Qualifications
- Hands-on experience with SPLUNK, Tenable, Microsoft Defender, Tripwire, and SecurityBridge.
- Experience supporting SAP systems, Navy ERP, and AWS GovCloud environments.
- Experience reviewing ABAP and Java application security findings
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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