Systems Engineer – Level II

PMAT • San Diego, CA

2d • Onsite

About The Position

This position requires an ACTIVE DoD security clearance. Applicants who do not currently hold an active clearance will not be considered. At PMAT, we work on mission critical systems that directly support the warfighter, designing, building, and securing modern digital capabilities across cloud, data, and software environments. Our teams tackle complex, real-world challenges where delivery matters more than theory, and innovation is driven by curiosity, collaboration, and purpose. In this role, you’ll contribute to systems engineering and continuous software sustainment, working alongside engineers and operators to deliver resilient, forward-leaning solutions in support of national defense. PMAT is seeking a Systems Engineer – Level II to support systems engineering and continuous software sustainment within secure, mission-critical environments. In this role, you’ll contribute to architectural oversight, requirements traceability, system integration, operational support, vulnerability management, and technical-debt remediation while supporting live production environments. You’ll also work across Linux and Windows enterprise environments, supporting virtualized infrastructure, continuous monitoring, and secure system administration.

Requirements

• Minimum 3 years of demonstrated systems engineering and continuous software sustainment experience using modern Agile methodologies.
• Evidence must encompass architectural oversight, requirements traceability, system integration in a secure environment, operational support, proactive vulnerability management, technical-debt remediation, active use of Scrum/Kanban/ SAFe or comparable defense Agile frameworks, and software updates to live production with zero or near-zero downtime and minimal operational disruption.
• Minimum 2 years of recent experience (within the last 5 years) in enterprise server administration for both Linux and Windows, including deployment, configuration, and maintenance of scalable virtualized environments (e.g., VMware vSphere, AWS), continuous monitoring, and rigorous DISA STIG compliance supporting cybersecurity/Information Assurance requirements.
• Bachelor's degree, STEM or related; experience in lieu of degree
• Must satisfy the DoD 8140 Dashboard requirements for “Intermediate Proficiency” for Work Role 451 - System Administrator at time of proposal and maintain eligibility for privileged/administrative system access throughout performance.
• Intermediate level certs: Cloud+, GICSP, GSEC, SSCP. (Or above: Advanced Level certs: CASP+, CCNP Security, CCSP)
• U.S. Citizenship required
• No dual citizenship
• Active Top Secret clearance w /SCI eligibility
• Active Top Secret/SCI clearance preferred

Responsibilities

• Support systems engineering and continuous software sustainment activities using modern Agile methodologies.
• Support architectural oversight, requirements traceability, and system integration within secure environments.
• Provide operational support for live production software and systems.
• Support proactive vulnerability management and technical-debt remediation.
• Support software updates to live production environments while minimizing operational disruption and downtime.
• Deploy, configure, maintain, and monitor Linux and Windows enterprise server environments.
• Support scalable virtualized environments, including VMware vSphere and AWS.
• Maintain DISA STIG compliance in support of cybersecurity and Information Assurance requirements.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level