Systems Administrator

Overview

RCT is seeking a Senior Systems Administrator to support a large, cloud-native, mission-critical program focused on Entitlement, IdAM/ICAM, and digital identity services. The role supports a 200+ FTE development environment and works closely with developers, engineers, and security teams to design, implement, and maintain secure AWS-based infrastructure.

• Design, implement, and maintain cloud-native services in AWS
• Provide technical leadership and hands-on engineering support to mission teams
• Support 24/7 mission-critical systems with a rotating on-call schedule (1 week every ~2 months)
• Perform Linux system administration, security patching, and AWS server support
• Support a COTS LDAP-based service used by hundreds of sponsor systems
• Ensure high availability, security, and compliance of enterprise systems
• Work within Agile/Scrum teams and Dev Ops CI/CD pipelines
• Produce strong technical documentation and design guidance

• BS + 6–10 years of experience
• Expert Linux system administration (Bash/CLI)
• Strong AWS and cloud infrastructure-as-code experience
• Experience with security accreditation processes
• Dev Ops tools (Git Hub, Jenkins, Puppet, Docker, Rundeck, etc.)
• Elastic stack (Elasticsearch, Logstash, Kibana, Beats)
• Agile experience and cross-functional team collaboration
• Ability to support privileged access and on-call rotation
• TS/SCI with Polygraph

• LDAP experience
• AWS Associate-level certification
• 3+ years of C2S experience
• Cloud Formation, Tomcat, NGINX
• IAM / IdAM / ICAM, authentication & authorization systems
• Containerization, Ansible, JavaScript, SQL

• Competitive benefits package (medical, dental, vision, life insurance)
• Immediate 401k vesting
• Generous PTO and flexible schedules
• $500.00 annual technology allowance

RCT Systems is committed and proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regards to race, color, religion, sex (to include pregnancy and related conditions, sexual orientation, and gender identity), national origin, disability, veteran status, or any other federally protected class.