Systems Administrator - $160K – $173K

RCT Systems•Reston, VA

16d•$160,000 - $173,000

About The Position

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.

Requirements

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
DevOps tools (GitHub, 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

Nice To Haves

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

Responsibilities

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 DevOps CI/CD pipelines
Produce strong technical documentation and design guidance