Senior System Administrator

Position Overview 

We are seeking an experienced System Administrator to support mission‑critical IT infrastructure within a defense contracting environment. The ideal candidate will bring strong technical expertise in cloud technologies relevant to a regulated environment. Having a strong comprehension of security, compliance, and operational requirements common to defense and government settings. 

Key Responsibilities  

• Manage cloud services (AWS, Azure, or GCP) including provisioning, monitoring, and cost control aligned with program requirements. 
• Experience managing, maintaining, and optimizing Windows and Linux (RHEL preferred) environments. 
• Experience with containerized environments i.e. Docker and Kubernetes 
• Configure, maintain, and secure network devices, firewalls, VPNs, and segmented networks used in controlled environments. 
• Conduct system patching, updates, hardening, and continuous monitoring to meet security and compliance standards. 
• Implement and maintain technical controls aligned with frameworks commonly used in defense contracting (e.g., ITAR, NIST, DFARS) 
• Assist with identity and access management, including privileged access workflows. 
• Troubleshoot system, network, and application issues to ensure continuity of operations. 
• Support disaster recovery planning, contingency procedures, and backup strategies required for mission assurance. 
• Collaborate with security, compliance, and engineering teams to ensure system readiness and adherence to program requirements. 

Required Skills and Qualifications 

• 5+ years of experience in comparable environments 
• Professional experience supporting systems within defense, federal, or other highly secure environments. 
• Expertise in virtualization technologies and cloud platforms. 
• Strong knowledge of networking protocols, routing, switching, and secure network design. 
• Understanding of cybersecurity principles, secure configuration, and compliance standards common in defense contracts. 
• Proficiency in Windows and Linux administration. 
• Strong analytical, troubleshooting, and documentation skills. 
• Ability to work within structured processes and controlled change environments. 
• Must have the ability to obtain and maintain a U.S. government Secret/Top Secret security clearance. 

Preferred Qualifications 

• Experience supporting systems tied to government programs or regulated technical environments. 
• Familiarity with automation tools such as PowerShell, Bash, Ansible, or Terraform. 
• Relevant certifications such as AWS Dev Ops, AWS Solutions Architect, Google Professional Cloud Architect, Azure DevOps, Azure Solutions Architect. 
• Relevant security certifications would be a plus. 

Our office headquarters is located in Playa Vista, CA. This position requires in office presence.

_{The California annual base salary for this role is currently $97,000 - $154,000.  Pay Grades are determined by role, level, location, and alignment with market data.  Individual pay will be determined on a case-by-case basis and may vary based on the following considerations: interviews and an assessment of several factors that are unique to each candidate, job-related skills, relevant education and experience, certifications, abilities of the candidate and internal equity.}