Lab Manager III Security Clearance

Lab Manager III - Arlington, VA
Lab Manager –  / Full-time / On-site

At ARSIEM Corporation we are committed to fostering a proven and trusted partnership with our government clients. We provide support to multiple agencies across the United States Government. ARSIEM has an experienced workforce of qualified professionals committed to providing the best possible support. As demand increases, ARSIEM continues to provide reliable and cutting‑edge technical solutions at the best value to our clients, giving employees opportunities to grow and make an impact on every client they work with.

• Serve as a lead Linux Systems Administrator overseeing Red Hat Enterprise Linux (RHEL) environments across development, lab, and production systems.
• Perform large‑scale configuration management and deployment across Windows, macOS, Linux/Unix, and other operating systems and virtual environments to support the TEN infrastructure.
• Support the implementation of new technologies and equipment in the lab environment.
• Provide ongoing systems administration, technical support, upgrades, patching, and troubleshooting services.
• Develop and maintain Ansible playbooks, roles, and workflows to automate application deployment and infrastructure provisioning.
• Configure, deploy, and maintain Red Hat Ansible Automation Platform for large‑scale provisioning, configuration management, and enforcement of compliance.
• Administer and maintain Splunk Enterprise/Splunk Cloud for system monitoring, security analytics, and operational intelligence.
• Implement and monitor security controls, including STIG compliance, access management, and audit configurations for Linux and Splunk systems.
• Develop dashboards and alerts in Splunk for proactive monitoring of system health, performance, and security events.
• Execute granular access control implementation, monitor systems for performance and user accessibility, establish backups, and maintain system security.
• Troubleshoot and resolve complex storage problems across the enterprise, including storage and replication strategies across local and wide area networks, monitor related channels, and remediate issues promptly.
• Examine and identify opportunities for improving existing procedures with the customer's approval.
• Manage assigned project components to deliver services in accordance with established objectives.
• Advise and provide insight on the development of lab standard operating procedures (SOPs) and policies.
• Employ security concepts, theories, insights, tools, and methodologies to mitigate system weaknesses and vulnerabilities.

• BS in Computer Science, Computer Engineering, Computer Information Systems, Computer Systems Engineering, or related degree, or HS Diploma with 7+ years of lab management or systems administration experience.
• 5+ years of directly relevant experience as a Linux System Administrator.
• 3+ years of experience with Splunk Enterprise administration and log ingestion.
• 3+ years of experience with Ansible automation (Ansible Core or Ansible Tower/AAP).
• Must be able to work collaboratively across physical locations.
• Experience with writing technical procedures and standard operating procedures.
• Experience with virtualization, automation, and optimization.
• Experience with multiple operating systems, including Linux/Unix, Windows, and macOS.
• Desired certifications:
  DoD 8140.01 IAT Level II.
• Must have an active Secret clearance and be able to obtain a TS/SCI clearance. Must be able to obtain DHS Suitability.

• Experience with writing technical procedures and standard operating procedures.
• Experience with virtualization, automation, and optimization.
• Experience with multiple operating systems, including Linux/Unix, Windows, and macOS.

ARSIEM is proud to be an Equal Opportunity and affirmative action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status, age, or any other federally protected class. We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses.

These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.