Systems Administrator (SA) Skill Level 3

Wyetech•Fort Meade, MD

About The Position

Wyetech is seeking a Senior Linux Systems Administrator (SA3) to administer, maintain, monitor, troubleshoot, and provide operational support for large-scale Linux computing environments. The role focuses on the reliability, security, availability, and performance of enterprise Linux clusters and their compute, networking, memory, storage, and virtualization infrastructure. The administrator supports installation, configuration, and sustainment of COTS, GOTS, and FOSS solutions in accordance with security policies and operational requirements. The position provides advanced troubleshooting, technical escalation, and system performance analysis, as well as day-to-day operational support, system optimization, capacity planning, and incident resolution for mission-critical infrastructure. The administrator collaborates with engineering teams, mission stakeholders, and internal customers to maintain operational effectiveness and support system architecture, hardware configuration, integration, and infrastructure improvements. Candidates must have an active TS/SCI clearance with Full Scope Polygraph, CompTIA Security+ certification, and U.S. citizenship. They must meet one of the stated qualification combinations: a technical bachelor's degree and 15 years of relevant Systems Administration experience, or 20 years of relevant Systems Administration experience, with five additional years substituting for the bachelor's degree. The posted hourly pay range is $86.55–$117.21. Wyetech describes benefits including a company SEP IRA contribution, PTO, optional medical and other insurance plans, referral bonus eligibility, mobility among supported contracts, team 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 following 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 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, and 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 assess 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 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 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

The company automatically contributes 20% of each employee's gross compensation to a SEP IRA, with no employee matching required; contributions are fully vested from day one.
PTO plan of up to 200 hours annually, aligned with applicable state leave regulations; employees may adjust their PTO allocation at the start of each calendar year.
Eligible full-time employees may participate in voluntary medical plan options, some with a Health Savings Account.
Vision and dental benefits.
Life and AD&D benefits.
Short- and long-term disability benefits.
Hospital indemnity, accident, and critical illness insurance options.
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.