The System Administrator will provide hands-on administration, maintenance, and troubleshooting support for mission-critical IT systems operating within secure and classified environments. This role is responsible for maintaining reliable and secure Linux and Windows infrastructure, supporting core enclave services, and resolving technical issues from the operating system through the application layer. The ideal candidate will bring strong Linux administration experience, a solid understanding of networking, virtualization, storage, and security, and the ability to support complex operational environments. This position requires a proactive administrator who can independently diagnose issues, maintain system compliance, and ensure infrastructure availability and performance. Due to federal contract requirements, United States Citizenship and position appropriate security clearance is required. (e.g. Active TS/SCI security clearance with agency appropriate polygraph). Capabilties 3 System Administration & Troubleshooting: Administer, maintain, and troubleshoot Linux and Windows systems, diagnosing and resolving technical issues ranging from the operating system through the application layer. 3 Linux Server Administration: Install, configure, patch, upgrade, secure, and maintain Linux servers, including RHEL, Rocky Linux, CentOS, or comparable enterprise Linux distributions. 3 Core Infrastructure Services: Configure and maintain core enclave infrastructure services, including DHCP, DNS, domain services, identity management, authentication, and related network services. 3 Virtualization & Infrastructure Support: Deploy and support virtualized and/or containerized environments while managing supporting infrastructure, including compute, storage, networking, and system resources. 3 Network & Storage Administration: Support storage platforms, network connectivity, system interfaces, and associated infrastructure; troubleshoot performance, availability, and connectivity issues across complex environments. 3 Security & Compliance: Maintain systems in accordance with applicable System Security Plans (SSPs) and secure administration requirements, including Secure the Enterprise (STE)/Secure the Network (STN) activities. Configure, monitor, and maintain security tools required to support DoD networks and cybersecurity requirements. 3 Classified Environment Support: Provide day-to-day administration and technical support within classified operational environments, maintaining secure and reliable mixed Linux/Windows environments while ensuring systems remain operational, compliant, and mission ready. Required Qualifications 3 TS/SCI with agency appropriate poly 3 Ten (10) years' experience as a SA in programs and contracts of similar scope, type, and complexity is required. 3 Bachelor's degree in a technical discipline from an accredited college or university is required. 3 Five (5) years of additional SA experience may be substituted for a bachelor's degree. Desired Technical Skills 3 Experience administering or supporting AWS cloud environments. 3 Experience with virtualization platforms such as KVM, Proxmox, VMware, or similar technologies. 3 Experience with enterprise identity and authentication technologies such as FreeIPA, Centrify, LDAP, and Active Directory. 3 Knowledge of PKI, TLS, certificates, encryption, and other cryptographic technologies. 3 Experience with container technologies such as Docker, Podman, Kubernetes, or comparable platforms. 3 Familiarity with automation and configuration management tools such as Ansible, Bash, Python, or PowerShell. 3 Strong understanding of TCP/IP networking, DNS, routing, firewalls, system hardening, and secure network architecture. 3 Ability to independently troubleshoot complex infrastructure issues, identify root causes, and implement sustainable technical solutions. The Benefits Package 3 Wyetech believes in generously supporting employees as they prepare for retirement. The company automatically contributes 20% of each employee's gross compensation to a Simplified Employee Pension (SEP) IRA, with no requirement for employee matching. All contributions are fully vested from day one, ensuring immediate ownership of retirement funds. Additional benefits include: 3 Wyetech provides a generous PTO plan of up to 200 hours annually, aligned with applicable state leave regulations. Employees have the flexibility to adjust their PTO allocation at the start of each calendar year, ensuring it meets their evolving needs. Full-time employees have the option to participate in a variety of voluntary benefit plans including: 3 A Choice of Medical Plan Options, some with Health Savings Account (HSA) 3 Vision and Dental 3 Life and AD&D Benefits 3 Short and Long-Term Disability 3 Hospital Indemnity, Accident, and Critical Illness Insurances 3 Optional Identity Theft and Legal Protection Services Company Environment & Perks 3 Employee Referral Bonus Eligibility up to $10,000 3 Mobility Among Wyetech-supported Contracts 3 Various contract and work locations throughout Maryland, Virginia, Colorado, Texas, Utah, Alaska, Hawaii and OCONUS 3 Various team-building events throughout the year such as: monthly lunches, summer company picnic, and an annual holiday party. 3 Employees receive two complementary branded clothing orders annually. $42.42 - $104.64 an hour Pay Range: $42.42 - $104.64 per hour* Hourly pay rates listed for this position serve as a general guideline and are not a guarantee of compensation. Compensation will vary dependent upon factors including but not limited to: Government contract rates; education; relevant prior work experience, knowledge, skills, and competencies; certifications, and geographic location. *Hourly pay rates reflect the pre-benefit gross wage amounts.