DoD Cybersecurity Engineer | TS/SCI | Onsite San Antonio

Maximus; San Antonio (TX); On-site; USD 125,000 - 144,000; Full time

Job summary

Maximus is seeking a cybersecurity professional to implement RMF-based controls for critical DoD-related systems. This onsite role in San Antonio, TX requires TS/SCI clearance and IAT Level II certification, with collaboration across engineering and operations teams.

The position involves risk assessments, threat analysis, incident response, remediation, and ensuring accreditation and compliance for networks, databases, and operating systems, with periodic PI planning travel.

Qualifications

• Active TS/SCI clearance is required.
• Bachelor’s degree in Cyber Security, Information Technology, Computer Science, or related field.
• Must be able to report on-site in San Antonio, TX up to five days per week based on customer requirements.
• IAT Level II certification required.
• 5 years experience with DoD cybersecurity policies and frameworks (RMF, NIST, ISO 27001, CIS Controls, DISA STIGs).
• 5 years experience with security technologies (firewalls, IDS/IPS, SIEM, endpoint protection).
• 5 years experience securing network protocols, operating systems, and databases.
• 5 years experience scripting for automation and reporting (Python, PowerShell, or Bash).

Responsibilities

• Implements and maintains cybersecurity controls supporting JCC2 operational systems.
• Conducts risk assessments, vulnerability scans, and threat analysis activities.
• Performs security testing and validation to identify and mitigate system vulnerabilities.
• Investigates and responds to cybersecurity incidents and security events.
• Develops remediation actions and supports incident recovery activities.
• Maintains security documentation, playbooks, and reporting artifacts.
• Ensures compliance with DoD cybersecurity policies, RMF, and security standards.
• Supports system accreditation and security assessment activities.
• Collaborates with engineering and operations teams to improve system security posture.
• Participates in Agile program increment (PI) planning and activities requiring periodic travels.

Skills

Active TS/SCI clearance

IAT Level II certification

DoD cybersecurity policies (RMF/NIST/…

Security technologies (firewalls/IDS/…

Automation scripting (Python/PowerShel

Education

Bachelor’s degree in Cyber Security or related field

Job description

Maximus is seeking a cybersecurity professional to implement RMF-based controls for critical DoD-related systems. This onsite role in San Antonio, TX requires TS/SCI clearance and IAT Level II certification, with collaboration across engineering and operations teams.

The position involves risk assessments, threat analysis, incident response, remediation, and ensuring accreditation and compliance for networks, databases, and operating systems, with periodic PI planning travel.