Cyber Security Engineer

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 a trusted federal partner supporting missionâEUR'critical programs across national security, defense, and public service delivery. Recent contract awards in cybersecurity and operational readiness underscore MaximusâEUR(TM) role as a reliable prime for highâEUR'impact government missions. Joining Maximus means contributing to meaningful work in fastâEUR'paced environments alongside professionals committed to service, accountability, and results.

This position is contingent upon contract award and position availability. Selected candidates will receive a contingent offer of employment, which will become final only upon successful contract award to Maximus, availability of the position, and receipt of authorization to proceed.

This position is onsite five days a week in San Antonio, TX, and requires a TS/SCI security clearance.

Job-Specific Essential Duties and 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.

Job-Specific Minimum Requirements

• Active TS/SCI clearance is required.
• BachelorâEUR(TM)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).

Preferred Skills and Qualifications

• Certified Information Systems Security Professional (CISSP).
• Certified Ethical Hacker (CEH).
• Certified Information Security Manager (CISM).
• Offensive Security Certified Professional (OSCP) IAT Level III.
• Experience supporting DoD DevSecOps environments.
• Experience supporting accredited classified systems.
• Experience performing incident response and forensic analysis.

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EEO Statement

Maximus is an equal opportunity employer. We evaluate qualified applicants without regard to race, color, religion, sex, age, national origin, disability, veteran status, genetic information and other legally protected characteristics.

Pay Transparency

Maximus compensation is based on various factors including but not limited to job location, a candidate's education, training, experience, expected quality and quantity of work, required travel (if any), external market and internal value analysis including seniority and merit systems, as well as internal pay alignment. Annual salary is just one component of Maximus's total compensation package. Other rewards may include short- and long-term incentives as well as program-specific awards. Additionally, Maximus provides a variety of benefits to employees, including health insurance coverage, life and disability insurance, a retirement savings plan, paid holidays and paid time off. Compensation ranges may differ based on contract value but will be commensurate with job duties and relevant work experience. An applicant's salary history will not be used in determining compensation. Maximus will comply with regulatory minimum wage rates and exempt salary thresholds in all instances.

Accommodations

Maximus provides reasonable accommodations to individuals requiring assistance during any phase of the employment process due to a disability, medical condition, or physical or mental impairment. If you require assistance at any stage of the employment processâEUR"including accessing job postings, completing assessments, or participating in interviews,âEUR"please contact People Operations at [e-mail].

Minimum Salary

$ 125,000.00

Maximum Salary

$ 144,000.00