Senior Systems & Network Administrator

Tri Star Engineering, Inc.
United States, Indiana, Bloomington
1801 Liberty Drive (Show on map)
Apr 14, 2025
Apply Job Type Full-time Description TRISTAR is seeking a Senior Systems & Network Administrator for our upcoming government customer in Bloomington, IN We are seeking a highly skilled and experienced Senior Systems and Network Administrator to join our team Have a strong background in Microsoft Server Administration, Linux Server Administration, network administration, and troubleshooting Involves managing and maintaining complex IT environments, implementing cutting-edge technologies, and collaborating with stakeholders to ensure seamless system integration and operational excellence Position Responsibilities: Server Administration: Perform configuration, deployment, monitoring, maintenance, upgrades, and support for Microsoft Server 2019/2022, Windows 10/11, Red Hat Linux, and VMware environments Administer Active Directory, Group Policy, and server features such as Hyper-V, NPS, KMS, CA Server, Containerization, and Docker Network Administration: Perform network administration tasks including adding/configuring network devices, managing routers, switches, VPNs, VLANs, and network segmentation Deploy new firewalls, switches, network devices, and connections Troubleshoot network issues such as outages, latency problems, and connectivity challenges Evaluate network security controls and implement improvements System Automation & Scripting: Develop PowerShell scripts for system administration tasks to improve efficiency and automate processes Backup & Disaster Recovery: Implement and manage data backup solutions and disaster recovery plans to ensure business continuity Software & System Upgrades: Manage software release cycles, system upgrades, evaluation/installation of patches, and resolution of software-related issues Technical Problem Solving: Identify, research, and resolve technical problems related to Windows Desktop/Server environments, Linux systems, and networking technologies Collaboration & Communication: Work closely with the Program Office to discuss the software baseline's impact on releases and incorporate future technologies into the system architecture Adapt to changing schedules while collaborating with cross-functional teams to meet project objectives Requirements 5+ years of Microsoft Server Administration experience 3+ years of Linux Server Administration experience 2+ years of recent VMware administration experience 2+ years of recent network administration experience Significant troubleshooting experience (5+ years) Technical Skills: Strong knowledge of networking technologies (TCP/IP routing/subnetting) and WAN communications Expertise in Windows Desktop/Server troubleshooting support as well as Linux systems troubleshooting support Hands-on experience with VMware administration (vSphere/vCenter) Proficiency in PowerShell scripting for automation tasks Networking Knowledge: Familiarity with managing routers/switches from major vendors (e.g., Cisco/Juniper) Experience with VPNs, VLANs, network segmentation techniques, and deploying firewalls/network devices Additional Skills: Background in hardware systems is a plus Knowledge of CAC2S (Common Aviation Command & Control System) is highly desirable Strong problem-solving skills with the ability to identify root causes quickly Excellent communication skills for interacting with stakeholders at all levels Adaptability to dynamic schedules or project priorities A proactive approach to learning new technologies and implementing innovative solutions Ability to travel up to 10% or less Must be a US Citizen An Active Secret Clearance is required or the ability to obtain one Preferred Qualifications: Experience in leading technology initiatives or integrating future technologies into existing baselines is a plus Ability to foresee technological advancements that could enhance the software baseline or operational workflows Education and Certification: BS in Computer Science, Information Technology, or similar degree Must have or be willing to obtain a CompTIA Security Plus certification prior to starting About TRISTAR TRISTAR is a professional services company supporting U.S. Department of Defense programs. Our core competencies include Electronic Warfare, Enterprise Management, Full Spectrum Cybersecurity, Information Technology, Digital Transformation, Software Engineering and Development, Maritime Modernization and Engineering, and Technical Solutions. Founded in March 1995, TRISTAR has built an employee-focused collaborative environment enabling our team of professionals to create and deliver customized solutions to meet mission critical challenges. TRISTAR provides Equal Employment Opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.