Senior Systems Administrator II

2 weeks ago


Arlington, United States PassionHR Inc Full time
Job DescriptionJob Description

Senior Systems Administrator II

Location: Arlington, VA

Employment Type: Full-Time

Clearance: Must have an active Secret clearance and be able to obtain a TS/SCI clearance.

Job Overview

We seek to hire a highly skilled Senior Systems Administrator II with extensive experience in Linux/Unix system administration, particularly Red Hat Enterprise Linux (RHEL 8/9). This role involves managing DevOps toolsets, middleware, and cloud infrastructure, focusing on AWS services. You will work closely with application and product teams to optimize CI/CD pipelines and enhance automation processes, contributing to the security and efficiency of our systems.

If you are a Senior Linux Administrator with a passion for DevOps and cloud technologies, this is an excellent opportunity to advance your career while making a significant impact on national security projects.

Key Responsibilities

Systems Administration & Support:

Manage and maintain Linux/Unix servers focusing on Red Hat Enterprise Linux (RHEL 8/9).

Install, configure, and troubleshoot middleware such as JBoss, Apache, Tomcat, and Nginx to support DevOps toolsets.

Provide technical support and perform security hardening to ensure system integrity.

DevOps Integration & Automation:

Collaborate with software development teams to define, implement, and refine DevOps CI/CD pipelines.

Develop automation scripts and programs to expand and optimize the DevOps toolsets.

Incorporate AWS cloud services to enhance infrastructure performance and reliability.

Write unit and integration tests to ensure the robustness of infrastructure code.

Engineering & Development:

Identify and resolve performance issues related to CPU, memory, networking, and disk I/O.

Contribute to the design and documentation of DevOps and cloud best practices.

Develop and execute automation scripts to enhance system efficiency.

Research & Development:

Explore new technologies and tools to advance our DevOps capabilities, including AWS Well-Architected Framework practices.

Conduct proof of concepts (POCs) to evaluate emerging technologies.

Required Qualifications

Citizenship: Must be a U.S. citizen.

Security Clearance: Must have an active secret clearance with TS/SCI clearance eligibility.

Experience:

6+ years of experience in Linux/Unix system administration, particularly with Red Hat Enterprise Linux (RHEL 8/9).

Proficient in Linux OS installation, security hardening, performance tuning, and maintenance.

Experienced in administering and managing Linux servers, including configuration, optimization, backup, and recovery.

Skilled in troubleshooting and resolving performance issues across CPU, memory, networking, and disk I/O.

Hands-on experience with Red Hat Satellite Server, Ansible, and Identity Management (IDM).

Education

Bachelor's degree in Systems Engineering, Computer Science, Information Systems, or a related technical field. (Two years of related work experience may be substituted for each year of degree-level education.)

Preferred Qualifications

Experience with Infrastructure as Code (IaC) using Ansible or similar tools.

Knowledge of Agile development environments and Java-based software development.

Familiarity with SELinux and cross-domain solutions.

Experience with data orchestration software like Apache NiFi or StreamSets.

Extensive experience with AWS, including VPC, EC2, S3, and IAM management.

Proficiency in DevOps/DevSecOps environments with tools such as Jenkins, Docker, Kubernetes, OpenShift, ELK Stack (ElasticSearch, Logstash, Kibana), Nessus, Zscaler, and ClamAV.

Desired Certifications

DoD 8570.1 IAT Level II

Red Hat Certified System Administrator (RHCSA)

AWS Certification (e.g., AWS Solutions Architect)

Why Join Us?

We are at the forefront of technological innovation and committed to solving complex challenges in national security and beyond. Our collaborative culture values diverse perspectives, empowering every team member to experiment, build, and transform with agility. If you are passionate about making a difference, we encourage you to apply today and become part of a team that drives innovation and delivers solutions that matter.

Application Process

If you are a seasoned Senior Systems Administrator ready for a role where your expertise can have a direct impact, we strongly encourage you to submit your application online TODAY and take the next step in your career with us.

Recruiting services are provided by PassionHR Consulting, an Equal Opportunity Employer (EOE).


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