Lead Security Architect

Maximus; Randolph (TX); Hybrid; USD 145,000 - 165,000; Full time

Job summary

Maximus is seeking a Lead Security Architect to design secure cloud architectures meeting DoD standards while collaborating with teams to enforce cybersecurity compliance. This hybrid position based in San Antonio ensures the architect leads the security measures across various projects.

A minimum of 8 years in cybersecurity, along with a Secret security clearance, is essential. The role offers a competitive salary range based on experience, and support is provided for individuals requiring accommodations during the hiring process.

Qualifications

• Active Secret clearance.
• Ability to commute as needed to the work location in San Antonio.
• Experience with Zero Trust Architecture (ZTA) and DoD ZT strategies.

Responsibilities

• Design and implement enterprise cloud security architecture.
• Lead compliance automation (RMF, NIST 800‑53, FedRAMP).
• Collaborate with SOC and engineering teams to respond to incidents.

Skills

Cloud security certification (CCSP, AWS Security Specialty)

8+ years of cybersecurity engineering/architecture

Experience with boundary technology (e.g., F5 BIG‑IP)

Education

Active IAT/IAM Level II baseline certification

Tools

SIEM tools (Splunk, Sentinel)

DevSecOps

Job description

Description & Requirements

Maximus is seeking a Lead Security Architect who will be responsible for designing and implementing secure cloud architectures aligned with DoD and Air Force requirements, including RMF, FedRAMP, and DISA compliance. The Lead Security Architect leads the security architecture and implementation across the MCE, ensuring compliance with DoD cybersecurity standards and enabling automated, scalable security controls. Works hand‑in‑hand with Lead Cloud Architect and Site Reliability Engineer to deliver secure cloud solutions for the Government.

This role is Hybrid at our San Antonio office and requires a Secret security clearance.

Job‑Specific Essential Duties and Responsibilities

• Design and implement enterprise cloud security architecture.
• Enforce boundary protection, monitoring, and cyber defense.
• Lead compliance automation (RMF, NIST 800‑53, FedRAMP).
• Integrate security into CI/CD (DevSecOps).
• Oversee vulnerability management, POA&M development, and remediation efforts.
• Architect and implement SIEM solutions and security monitoring capabilities.
• Support ATO and RMF artifact development and lifecycle management.
• Collaborate with SOC and engineering teams to respond to incidents while leveraging threat detection capabilities.
• Implement identity, access controls, and least privilege architectures.
• Deliver security recommendations and compliance reporting to leadership.

Job‑Specific Minimum Requirements

• Active Secret clearance.
• Ability to commute as needed to the work location in San Antonio.
• 8+ years of cybersecurity engineering/architecture.
• Cloud security certification (CCSP, AWS Security Specialty).
• Active IAT/IAM Level II baseline certification.
• Experience with boundary technology (e.g., F5 BIG‑IP).

Preferred Skills and Qualifications

• Experience with Zero Trust Architecture (ZTA) and DoD ZT strategies.
• Expertise in IL5/IL6 accreditation and Authority to Operate (ATO) processes.
• Hands‑on knowledge of CNAPP, SIEM, SOAR tools (Splunk, Sentinel).
• Experience automating security compliance (IaC + policy‑as‑code).
• Understanding of cross‑domain solutions (CDS) and data protection.

Maximus TCS (Technology and Consulting Services) Internal Job Profile Code: TCS040, T4, Band 7.

Equal Opportunity 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.

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 process—including accessing job postings, completing assessments, or participating in interviews—please contact People Operations at [e-mail].

Salary Range

Minimum Salary: $145,000.00

Maximum Salary: $165,000.00

Location and Security Clearance

San Antonio, Hybrid office setup. Requires Secret security clearance.