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# System Administrator 1

- **Company:** RealmOne
- **Location:** Columbia, MD, United States
- **Experience:** Expert
- **Salary:** $137,000.0 - $167,000.0
- **Contract:** Permanent contract
- **Skills:** Active Directory, Amazon Web Services, Amazon Elastic Compute Cloud, Amazon S3, Server Applications, Software Applications, Systems Engineering, Confluence, JIRA, Bash Shell, CentOS, Cloud Database, Information Systems, Databases, Linux, Identity and Access Management, WildFly (JBoss AS), Python (Programming Language), Lightweight Directory Access Protocols (LDAP), MongoDB, Oracle (Applications), Public Key Infrastructure, X.509, Red Hat Enterprise Linux, Aws Command Line Interface (CLI), Ansible, Virtual Machines, Web Applications, Web Services, Scripting, Load Balancing, Amazon Virtual Private Cloud (VPC), Gitlab, Cloudformation, Kubernetes, Information Technology, Vcenter, Terraform, Docker, Vmware
- **Published:** September 4, 2026
- **Apply:** https://jobs.localjobnetwork.com/apply/add/88243846/1

## About the Role

+ Linux (Centos, RedHat)
 + Docker
 + Kubernetes
 + Harbor
 + Directories (LDAP and/or active directory)
 + Application Servers (JBOSS)
 + AWS Cloud Computing Services (VPC, EC2, AWS CLI, S3)
 + Cloud automation (e.g., Ansible, Terraform, CloudFormation)
 + Configuration and Maintenance of Virtual Machines (VCenter/VMWare)
 + PKI Experience (e.g., x.509, general certificate management processes and certificate lifecycle management)
 + Scripting languages (e.g., Python, bash, etc.)
 + OS and Software application patching (e.g., IAVA, Version updates)
 + Experience with Jira, Confluence, and GitLab
 + Networking/Load Balancing/Proxy
 + Databases (e.g. Oracle, Mongo)
 + Attention to detail and time management.
 + Excellent communications skills
 + Ability to provide after-hours call-in support., * 7+ years of System Administrator experience
 * Bachelor's degree in System Engineering, Computer Science, Information Systems, Engineering Science, Engineering Management, or a related discipline from an accredited college or university is required. 4 years of additional experience may be substituted for a bachelor's degree for a total of 11 years.
 * DoD 8570 compliance with IAT Level I or higher is required if COR determines that the position's activities include CWIP activities.

Position requires active Security Clearance with appropriate Polygraph

## Description

This position is for System Administrator support for development and production environments for a mission critical Identity, Credential and Access Management (ICAM) system. Responsibilities include creating, configuring, and deploying docker containers into Kubernetes clusters. This position will be responsible for coordination with multiple development teams to integrate web applications, Web services, databases, and directories in order to provide and maintain fully operational, highly available enterprise level services. This will also include monitoring the operational services and troubleshooting issues as they arise.


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