Mid-Senior Information Systems Security Engineer - Defense Sector

About the Role

We are seeking a talented Mid-Senior Information Systems Security Engineer to join our team at Mission Technologies in Honolulu, Hawaii. This role is crucial for ensuring the security and compliance of our information systems. As an Information Systems Security Engineer, you will be responsible for implementing and monitoring security controls across various systems, making this an exciting opportunity for those looking to advance their careers in a dynamic environment. This position is not remote; it requires on-site presence in Honolulu.

What You'll Do

• Apply and validate Security Technical Implementation Guides (STIGs) on Windows, Linux, and virtualization platforms.
• Conduct system vulnerability scans, analyze findings using tools like ACAS and Nessus, and coordinate technical remediation efforts.
• Implement and manage role-based access controls (RBAC), group policies, and multi-factor authentication (MFA).
• Participate in the creation and enforcement of enclave-wide hardening baselines and patch management cycles.
• Support the development and review of Risk Management Framework (RMF) artifacts, including System Security Plans (SSPs) and Plans of Action and Milestones (POA&Ms).
• Monitor system compliance using SCAP benchmarks and configuration checklists.
• Coordinate with various teams to ensure that security controls are properly deployed and sustained.
• Assist with incident response preparation by enforcing audit log configurations and system event monitoring.

Requirements

• 5 years of relevant experience with a bachelor's degree in a related field; or 3 years with a master's degree; or 9 years of relevant experience with a high school diploma.
• Active DoD Top Secret clearance.
• CompTIA Security+ certification (DoD 8570 baseline).
• Strong knowledge of DoD STIGs, RMF control families, and NIST 800-53.
• Familiarity with Group Policy Objects (GPO), Active Directory, MFA, and role-based access frameworks.
• Experience with vulnerability scanning tools such as ACAS/Nessus and remediation workflows.

Nice to Have

• Hands-on experience applying hardening policies in Windows Server, Linux, and VMware environments.
• Ability to interpret scan results and implement technical fixes across operating systems.
• Working knowledge of system logging standards, event forwarding, and SIEM pre-configuration.
• Relevant certifications such as CISSP, SecurityX (CASP), CAP, CySA+, Pentest+, or GIAC (GSEC, GCED, GCIH).

What We Offer

• Competitive salary ranging from $97,577 to $130,000 annually.
• Relocation assistance for candidates moving from out of state.
• Comprehensive health insurance plans including medical, dental, and vision.
• Paid holidays and time off to ensure work-life balance.
• Tuition reimbursement for continued education.
• Employee discounts on various services and products.
• A supportive work environment focused on career growth and development.