Senior Cybersecurity Engineer IV

NexGen Data Systems; San Diego (CA); On-site; USD 140,000 - 180,000; Full time

Benefits offered by this job

Premium health insurance coverage for

Disability plans

401(k) with 10% match

Comprehensive training and development

11 holidays + 15 days PTO

Job summary

NexGen Data Systems in San Diego, CA is seeking a Senior Cybersecurity Engineer IV to strengthen security for enterprise applications and workstation baselines.

The role supports authorization reviews with solid technical evidence and coordinates remediation across teams and vendors, aligned with Navy security configurations and RMF. A Master’s in Engineering and 10+ years in systems engineering are required, along with DoD Secret clearance.

Qualifications

• Active DoD Secret clearance required.
• DoD 8570/8140 OS and Cybersecurity certifications required.
• Master’s degree in an Engineering discipline.
• 10 years of professional experience in systems engineering.
• Experience supporting RMF security assessments.
• Experience interpreting ACAS/SCAP results.
• Experience applying DISA STIGs and Security Requirements Guides.
• Secret clearance required for onsite work at Government facilities.
• Favorable Tier 5 background investigation or equivalent for privileged access.
• Vendor certifications and IAT security certifications and cyberspace workforce training.

Responsibilities

• Prepare assessment artifacts and coordinate information with customers, vendors, and security assessors.
• Conduct vulnerability and configuration scanning using ACAS, SCAP, or other approved tools.
• Review findings against DISA STIG and SRG materials and evaluate impact on baselines.
• Coordinate corrections with vendors and system engineers, then verify remediation through rescanning or testing.
• Support application assessment scope and provide technical feedback to authorization and security engineering teams.
• Document unresolved findings, mitigations, and suggested improvements for review by security decision makers.

Skills

Security clearance

DoD certifications

RMF experience

ACAS/SCAP experience

DISA STIGs experience

Vulnerability remediation

Tier 5 background check

Vendor certifications

IAT certifications

Education

Master’s degree in Engineering

Tools

ACAS

SCAP

DISA STIG

RMF

Job description

NexGen Data Systems is hiring a Senior Cybersecurity Engineer IV in San Diego, CA (onsite) to strengthen cybersecurity engineering for enterprise applications and workstation baseline changes. This role supports authorization reviews with solid technical evidence, helps drive compliance with supported Navy security configurations, and coordinates remediation across teams and vendors.

What you’ll get at NexGen Data Systems

• 100% premium coverage for your medical, dental, and vision insurance, with premium subsidies for spouse and dependents
• Short and long term disability plans
• 401(k) match up to 10% of employee salary contributions
• Comprehensive training and development program
• 11 paid holidays plus PTO starting at 15 days annually (accrual level)

Responsibilities

• Prepare application and workstation assessment artifacts and coordinate required information with customers, vendors, and security assessors
• Conduct vulnerability and configuration scanning using ACAS, SCAP, or other approved security assessment tools
• Review findings against DISA STIG and Security Requirements Guide materials, and evaluate the technical impact on proposed baselines
• Coordinate corrections with vendors and system engineers, then verify remediation through rescanning or documented testing
• Support application assessment scope and effort reviews, and provide technical feedback to authorization and security engineering teams
• Document unresolved findings, mitigations, and recommended improvements for review by authorized security decision makers

Requirements

• Active Department of Defense Secret security clearance required
• DoD Approved 8570 / 8140 OS and Cybersecurity certifications required
• Master’s level degree in an Engineering discipline
• 10 years of professional experience in systems engineering
• Experience supporting RMF security assessments, including interpreting ACAS/SCAP results
• Experience applying DISA STIGs and Security Requirements Guides, and documenting vulnerability remediation
• Maintain a Secret security clearance for onsite work at Government facilities
• Favorable Tier 5 (T5) background investigation or equivalent required for privileged access to Government information systems
• Maintain applicable vendor certifications plus applicable IAT security certifications and cyberspace workforce training and qualifications for covered network duties

Technologies: ACAS, SCAP, DISA STIG, Security Requirements Guides, RMF