DoD InfoSec Engineer — RMF & STIGs (Onsite)

MANTECH; Crane (IN); On-site; USD 110,000 - 150,000; Full time

Job summary

MANTECH seeks an Information Systems Security Engineer to join our onsite team in Crane, Indiana. You will lead RMF package development, perform security assessments, and coordinate with software and systems teams to maintain posture.

The role requires DoD-focused experience, a Security+ certification, and eligibility for a Secret-level clearance. This is an on-site position at Crane, IN with opportunities to advance in cybersecurity engineering.

Qualifications

• 5+ years in cybersecurity engineering, systems engineering, or network administration.
• Bachelor’s degree in a related technical discipline.
• CompTIA Security+ certification required.
• DoD 8570.01-M/DoD 8140 IAT Level III preferred.

Responsibilities

• Lead RMF package development and submission in eMASS.
• Perform security control assessments and draft POA&M.
• Conduct vulnerability assessments using ACAS (Nessus) and SCAP.
• Apply DISA STIGs and resolve compliance gaps.
• Bridge development/ISSM teams to maintain security posture.
• Participate in engineering change boards to protect system posture.
• Analyze security logs and support incident response.
• Implement secure designs and boundary defenses (firewalls/IDS/IPS).
• Ensure integration of HBSS/ESS, ACAS, SIEM.

Skills

Cybersecurity engineering

Systems engineering

Network administration

Education

Bachelor's degree in CS/Info Assurance/Systems Engineering

Tools

ACAS (Nessus)

HBSS/ESS

SIEM

SCAP

Job description

MANTECH seeks an Information Systems Security Engineer to join our onsite team in Crane, Indiana. You will lead RMF package development, perform security assessments, and coordinate with software and systems teams to maintain posture.

The role requires DoD-focused experience, a Security+ certification, and eligibility for a Secret-level clearance. This is an on-site position at Crane, IN with opportunities to advance in cybersecurity engineering.