Senior/Expert System Administrator supporting a technical development program in the IDAM/ICAM and Attribute Services space. The role focuses heavily on AWS/cloud-native infrastructure, Linux administration, automation, security, and mission-critical operations.
Key Responsibilities:- Design, implement, and maintain cloud-native AWS infrastructure
- Provide technical leadership and engineering guidance to development/mission teams
- Administer and support Linux servers in AWS
- Perform security patching and privileged-access/system administration
- Maintain a mission-critical service operating 24/7/365
- Support an LDAP-based COTS service providing attribute data to hundreds of systems
- Participate in an on-call rotation approximately 1 week every 2 months
- Work across development, systems engineering, security, compliance, and QA teams
Required Qualifications:- TS/SCI with Polygraph
- Bachelor's degree + 11-15 years relevant experience
- Expert-level Linux administration
- Strong Bash scripting
- AWS/cloud experience and infrastructure-as-code knowledge
- Security accreditation experience
- Experience with Elastic Stack (Elasticsearch, Logstash, Kibana, Beats)
- DevOps/CI/CD experience with tools such as GitHub, Jenkins, Puppet, Docker, Rundeck
- AWS Console and CLI experience
- Enterprise cloud architecture/design understanding
- Agile experience and strong communication skills
Preferred Qualifications:- AWS Associate certification
- CKAD/Kubernetes or container certification
- LDAP experience
- CloudFormation
- IAM/IDAM/ICAM, authentication, authorization, or attribute services
- Highly sensitive data experience
- 3+ years C2S experience
- Tomcat experience
- Experience managing Sponsor relationships and requirements
RCT Systems offers:- Competitive benefits package (medical, dental, vision, life insurance)
- Immediate 401k vesting
- Generous PTO and flexible schedules
- $500.00 annual technology allowance
