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Technical Engagement Network (TEN) Lab Manager

Castalia Systems
paid holidays, 401(k)
United States, Virginia, Arlington
Aug 05, 2026

Job Type: Full- Time

Workplace Type: Onsite

Clearance: Secret with ability to get a DHS Suitability

Must be a U.S. Citizen

Job Summary

Castalia Systems is supporting a U.S. Government customer to provide support for onsite incident response to civilian Government agencies and critical asset owners who experience cyber-attacks, providing immediate investigation and resolution. Contract personnel perform investigations to characterize the severity of breaches, develop mitigation plans, and assist with the restoration of services. Castalia is seeking a Technical Engagement Network (TEN) Lab Manager with experience in Linux, Splunk and Ansible System Administration to support the design, development, and deployment of advanced cybersecurity capabilities in the customer environment supporting analysts and business continuity of the customer mission.

Roles and Responsibilities

A qualified candidate will perform the following duties and responsibilities, but are not limited to:



  • Serve as a 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.
  • Supporting the implementation of new technologies and equipment in the lab environment.
  • Providing 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 compliance enforcement.
  • 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 system health, performance, and security event monitoring.
  • Performing implementation of granular access control, and monitor systems for acceptable performance and user accessibility, establish back-ups, and monitor systems security.
  • Troubleshoot and resolve complex storage problems across the enterprise related to storage and replication strategies across local and wide area networks, monitor channels for storage-related network and system issues and remediate them as they occur.
  • Examine and identify efficiencies that can be made to existing procedures, with approval from the customer.
  • Managing assigned project components to deliver services in accordance with established objectives.
  • Advises and provides insight on development of lab standard operating procedures (SOPs) and policies.
  • Employ security concepts, theories, insights, tools and methodologies to mitigate system weaknesses and vulnerabilities.


Required Qualifications



  • BS Computer Science, Computer Engineering, Computer Information Systems, Computer Systems Engineering or related degree or HS Diploma and 7+ years 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.


Preferred Qualifications



  • TS/SCI
  • Experience with writing technical procedures and standard operating procedures.
  • Virtualization automation and optimization.
  • Experience with multiple operating systems to include Linux/Unix, Windows, MacOS.
  • DoD 8140.01 IAT Level II


Physical Requirements/Work Environment



  • Normal office environment.


Travel



  • As needed


Company Description

Castalia Systems is a proven business partner providing mission critical solutions to the Federal Government. We provide cutting edge solutions from Securing and Managing Data to Systems Engineering and Development. Castalia Systems is a pioneer in Artificial Intelligence Design and Application.

With our vast knowledge of our customers' needs and relevant technology, our team is able to bring successful solutions to every mission. We are one-upping our competitors by providing premium IT solutions and platforms with cutting-edge technology so it's so evident when you compare us with anyone.

Compensation

At Castalia Systems, we provide you with opportunities and choices and support your total well-being. Our benefits include: Medical, dental, vision coverage, 401k matching, generous PTO, paid holidays, professional training opportunities, and even pet insurance to ensure your furry friends are cared for too. All regularly scheduled employees working at least 30 hours per week are eligible to participate in Castalia Systems' benefit programs. Individuals that do not meet the threshold are only eligible for select offerings, not inclusive of health benefits.

Salary at Castalia Systems is determined by various factors, including but not limited to location, position knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements. The projected compensation range for this position is $124,100.00 to $131,400.00 (annualized USD). The estimate displayed represents the typical salary range for this position and is just one component of Castalia Systems' total compensation package for employees.

Disclaimer

Castalia Systems is an equal employment opportunity and affirmative action employer and strives to comply with all applicable laws prohibiting discrimination based on race, color, creed, sex, sexual orientation, age, national origin, or ancestry, physical or mental disability, veteran status, marital status, HIV-positive status, as well as any other category protected by federal, state, or local laws. All such discrimination is unlawful, and all persons involved in the operations of the company are prohibited from engaging in this type of conduct.

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