SENIOR SYSTEM SECURITY ENGINEER

Job Description

Job Description

• Senior System Security Engineer - Full-Time - Hybrid Work Model (Norco, CA)

Job Summary :

We are seeking a highly skilled System Security Engineer to support the design, implementation, and sustainment of secure DoD IT systems. This role blends system administration, cybersecurity auditing, and architecture responsibilities. The engineer will play a key role in ensuring compliance with DoD and Navy cybersecurity standards, supporting RMF efforts, and providing technical expertise for system hardening, vulnerability management, and secure architecture design.

As with any position, additional expectations exist. Some of these include, but are not limited to, adhering to normal working hours, meeting deadlines, following company policies as outlined by the Employee Handbook, communicating regularly with assigned supervisor(s), staying focused on the assigned tasks, and completing other tasks as assigned.

Responsibilities :

Administer and secure Windows / Linux systems in compliance with DoD cybersecurity requirements

Conduct security audits and assessments to ensure compliance with RMF, STIGs, and NIST 800-53 controls

Support the development and maintenance of System Security Plans (SSPs), POA&Ms, and other RMF documentation

Provide expertise in secure architecture, system hardening, and vulnerability remediation

Monitor, analyze, and resolve system security events, incidents, and findings

Coordinate with ISSOs, ISSMs, and system owners to address cybersecurity risks and implement mitigations

Use tools such as eMASS, ACAS, and HBSS for compliance reporting and vulnerability management

Support accreditation packages and system authorizations for DoD systems

Mentor junior staff and provide guidance on cybersecurity best practices and system security engineering

Basic Qualifications :

Active Secret clearance

Bachelor’s degree in Computer Science, Cybersecurity, Information Systems, or related field (or equivalent experience)

5+ years of experience in system administration and cybersecurity engineering

Hands-on experience with Windows / Linux administration, system hardening, and STIG application

Strong understanding of DoD RMF, NIST 800-53, and DISA STIGs

Experience with eMASS, ACAS, HBSS, or similar compliance and vulnerability tools

Excellent problem-solving and communication skills

Preferred Qualifications :

CISSP, Security+, or other DoD 8570 IAM / IASAE certification

Experience supporting Navy or DoD IT environments

Knowledge of cloud security within Azure or AWS DoD environments

Experience in developing secure architectures for enterprise or mission-critical systems

Familiarity with incident response and vulnerability management best practices

Prior experience contributing to or leading RMF accreditation packages

Company Summary :

Join the VSolvit Team! Founded in 2006, VSolvit (pronounced 'We Solve It') is a technology services provider that specializes in cybersecurity, cloud computing, geographic information systems (GIS), business intelligence (BI) systems, data warehousing, engineering services, and custom database and application development. VSolvit is an award winning WOSB, CA CDB, MBE, WBE, and CMMI Level 3 certified company. We offer a customizable health benefits program that best meets the needs of its employees. Offering may include : medical, dental, and vision insurance, life insurance, long and short-term disability and other insurance products, Health Savings Account, Flexible Spending Account, 401K Retirement Plan options, Tuition Reimbursement, and assorted voluntary benefits. Our goal is to grow together and enjoy the work that we do as a team.

VSolvit LLC is an Equal Opportunity / Affirmative Action employer and will consider all qualified applicants for employment without regard to race, color, religion, sex, national origin, protected veteran status, or disability status.