Systems Administrator (SA) Skill Level 3

Wyetech•Fort Meade, MD
•$87 - $117

About The Position

Wyetech is seeking an experienced Senior Linux Systems Administrator (SA3) to administer, maintain, monitor, troubleshoot, and provide operational support for large-scale Linux computing environments. The role focuses on reliability, security, availability, and performance across enterprise Linux clusters, including compute, networking, memory, storage, and virtualization infrastructure. It supports the installation, configuration, and sustainment of COTS, GOTS, and FOSS solutions in accordance with established security policies and operational requirements. The position provides technical expertise for complex IT systems, including day-to-day operations, system optimization, capacity planning, incident resolution, and sustainment of mission-critical computing infrastructure. The Level 3 administrator also provides advanced troubleshooting, technical escalation support, and system performance analysis, collaborating with engineering teams, mission stakeholders, and internal customers. Candidates must have an active TS/SCI clearance with Full Scope Polygraph, U.S. citizenship, and CompTIA Security+ certification. They must meet one of the stated education and experience combinations: a bachelor's degree in a technical discipline plus 15 years of relevant Systems Administration experience, or 20 years of relevant Systems Administration experience with five additional years substituted for the degree. The listed hourly pay range is $86.55–$117.21; actual compensation may vary based on factors including contract rates, education, experience, skills, certifications, and location. Wyetech describes its culture as award-winning and offers retirement contributions, PTO, voluntary benefit plans, referral bonuses, mobility among supported contracts, varied contract and work locations, team-building events, and two complimentary branded clothing orders annually.

Requirements

  • Active TS/SCI clearance with Full Scope Polygraph.
  • CompTIA Security+ certification.
  • U.S. citizenship.
  • Extensive experience using the Linux command-line interface and associated system administration tools.
  • Experience developing Bash and Python scripts to automate administrative tasks, system configurations, and operational workflows.
  • Demonstrated experience installing, configuring, maintaining, and supporting COTS/GOTS/FOSS software in large-scale Linux cluster environments.
  • Strong technical understanding of compute, network, memory, and storage system components.
  • Experience administering and maintaining Red Hat Satellite for enterprise Linux systems management, patching, and configuration.
  • Familiarity with Splunk for data ingestion, indexing, searching, monitoring, and analysis.
  • Experience sustaining and supporting large Linux clusters, including daily operations, system monitoring, troubleshooting, and problem resolution.
  • Experience configuring, administering, and maintaining VMware ESXi and associated virtualization environments.
  • Experience with Infrastructure as Code principles and automation tools such as SaltStack and Ansible.
  • Experience implementing and maintaining corporate STE/STN security compliance policies and procedures.
  • Experience using system monitoring and infrastructure management tools such as HPE OneView and Nagios.
  • Experience with containerization technologies, including Docker.
  • Meet one of the education and experience combinations: a bachelor's degree in a technical discipline from an accredited college or university plus 15 years of Systems Administration experience in programs and contracts of similar scope, type, and complexity; or 20 years of such Systems Administration experience, with five additional years of experience substituted for the bachelor's degree.

Nice To Haves

  • Experience with container orchestration technologies such as Kubernetes.
  • Experience with distributed file systems, including Weka, Ceph, IBM GPFS, and Hadoop Distributed File System (HDFS).
  • Experience using Atlassian collaboration and development tools, including Jira and Confluence.

Responsibilities

  • Administer, maintain, and provide advanced operational support for large-scale Linux computing clusters and associated infrastructure.
  • Install, configure, upgrade, troubleshoot, and sustain COTS/GOTS/FOSS software across enterprise Linux environments.
  • Manage daily operations, monitoring, maintenance, and problem resolution for compute, networking, memory, storage, and virtualization components.
  • Configure and maintain Red Hat Satellite for centralized systems management, software updates, patching, and configuration control.
  • Develop and maintain Bash and Python scripts to automate administrative functions, system maintenance, and operational processes.
  • Configure, sustain, and troubleshoot VMware ESXi virtualization environments.
  • Implement infrastructure automation and configuration management using SaltStack, Ansible, and IaC methodologies.
  • Use Splunk, HPE OneView, Nagios, and related monitoring technologies to evaluate system health, analyze events, and identify performance or operational issues.
  • Maintain system security integrity and support compliance with established STE/STN security policies and procedures.
  • Configure and troubleshoot network components, operating systems, and supporting infrastructure to improve reliability and performance.
  • Provide Tier 1 and Tier 2 technical support, including problem identification, diagnosis, escalation, and resolution.
  • Investigate and resolve complex issues involving server hardware, operating systems, applications, storage, and software integration.
  • Analyze system performance, optimize resource utilization, and conduct capacity planning to support evolving mission requirements.
  • Support system installation, hardware troubleshooting, technical dispatch coordination, and resolution of escalated incidents.
  • Provide detailed technical analysis, incident status updates, and recommendations to agency management and internal customers.
  • Support system architecture, hardware configuration, and integration activities while considering service-oriented architecture (SOA) dependencies.
  • Maintain system documentation, configuration records, operational procedures, and technical troubleshooting guides.
  • Collaborate with system engineers, network administrators, cybersecurity personnel, and mission stakeholders to implement enhancements and resolve infrastructure challenges.
  • Recommend and implement operating system and infrastructure improvements to enhance security, availability, and operational performance.

Benefits

  • Company automatically contributes 20% of each employee's gross compensation to a Simplified Employee Pension (SEP) IRA, with no employee matching requirement; contributions are fully vested from day one.
  • PTO plan of up to 200 hours annually, aligned with applicable state leave regulations, with flexibility to adjust PTO allocation at the start of each calendar year.
  • Voluntary medical plan options, some with a Health Savings Account (HSA).
  • Vision and dental benefits.
  • Life and AD&D benefits.
  • Short- and long-term disability benefits.
  • Hospital indemnity, accident, and critical illness insurance.
  • Optional identity theft and legal protection services.
  • Employee referral bonus eligibility up to $10,000.
  • Mobility among Wyetech-supported contracts.
  • Team-building events, including monthly lunches, a summer company picnic, and an annual holiday party.
  • Two complimentary branded clothing orders annually.
© 2026 Teal Labs, Inc
Privacy PolicyTerms of Service