Systems Administrator

Job Title: Systems Administrator Location: Ft Worth, TX - Hybrid, minimum 3 days onsite per week Salary Range: $90,000 - $100,000 + Bonus Eligible Who we are: Lynx delivers modular, open standards–based software that transforms how high-assurance, mission-critical edge systems are built, deployed, and maintained. Our secure edge computing solutions enable innovation and operational excellence in the world’s most demanding environments, from aerospace and defense to commercial and industrial systems. We partner across industries including automotive, medical, and critical infrastructure to deliver tailored solutions aligned with each customer’s mission and operational requirements. Our key products and services are:  MOSA.ic: LYNX MOSA.ic™ is a modular software framework and architecture purpose-built for mission-critical edge computing. Based on the Modular Open Systems Approach (MOSA), it provides a flexible foundation for building secure, scalable, and certifiable edge systems.LYNX MOSA.ic.AI: LYNX MOSA.ic.AI is a unified CPU and GPU software platform that enables deterministic, certifiable deployment of AI and advanced workloads in mission-critical edge systems. It brings control, performance, and lifecycle governance together, allowing AI to operate predictably within safety-critical environments without compromising certification or system integrity. CoreSuite 2.0: CoreSuite 2.0 is Lynx’s safety-critical GPU for graphics enablement framework designed for mission-critical edge computing systems. It provides hardware-accelerated graphics, visualization, and video processing capabilities that can be certified for high-assurance systems.Services: Lynx Services is Lynx’s professional services organization that helps customers design, integrate, certify, deploy, and maintain safety- and security-critical systems. It supports industries like aerospace, defense, automotive, and industrial computing through consulting, engineering, integration, and lifecycle support, reducing development risk and accelerating certification in standards-driven, mission-critical environment. About the Role We are looking for an experienced Network and Systems Administrator to manage and continuously improve our systems, networks, and IT infrastructure supporting our Fort Worth, TX operations and other offices. Due to export control and customer requirements, successful applicants must be U.S. citizens. This role plays a key part in maintaining a secure, compliant IT environment supporting defense, aerospace, and embedded systems customers. You will take ownership of core infrastructure and security operations, helping strengthen our security posture and compliance readiness (including environments aligned with NIST SP 800‑171 and CMMC requirements) as the company grows. If you value teamwork, have a “get it done” attitude, and are seeking the next challenging & rewarding step in your career, then we want to hear from you!   Key Responsibilities Design, implement, and maintain secure IT infrastructure across cloud, hybrid, and on‑prem environments, with a focus on GCC High workloadsPlan and execute security‑focused infrastructure improvements, including hardening, segmentation, access controls, and monitoringAdminister and secure Windows and Linux servers, endpoints, and core network servicesSupport remote and distributed teams through secure access solutions (VPN, conditional access, privileged access workflows)Actively support cybersecurity initiatives, including:Security policy development and enforcementSystem and network hardeningVulnerability remediation and configuration baselinesLog review, monitoring, and incident response support Assist with identity and access management, including Active Directory, RBAC, Group Policy, and privileged access controlsTroubleshoot infrastructure, security, and end‑user issues while maintaining compliance requirementsMaintain accurate system, network, software, and hardware inventoriesCreate and maintain system administration guides, security runbooks, and training documentationCollaborate closely with IT, security, and engineering teams to support development and operational needs ·        Desktop and minor IT setup required at times, needs to be flexible Required Qualifications Education & Experience Bachelor’s degree in Computer Science, Information Systems, or a related field or equivalent hands‑on experience3–5+ years of experience in cloud and/or hybrid Windows/Linux system administrationDemonstrated experience working in secure or regulated environments (e.g., GCC High, GovCloud, DoD, defense, or compliance‑driven organizations) Technical Skills Strong experience with Microsoft technologies, including:Azure (including GCC High or restricted tenants)Microsoft 365 / Office 365 (GCC High preferred)Intune / Endpoint ManagementSharePointWindows Server and Windows Desktop Active Directory expertise, including:Group Policy design and enforcementRole‑Based Access Control (RBAC)Identity lifecycle management Experience administering remote access solutions (VPN, secure tunnels, or equivalent)Working knowledge of network and system security, including:Firewalls, IPS/IDS conceptsEndpoint and server hardeningLogging and monitoring Solid understanding of:Cloud and on‑prem storageBackup and recovery strategiesDisaster recovery and business continuity Ability to diagnose and troubleshoot hardware, OS, network, and security‑related issues Automation & Scripting Experience with scripting and automation using:PowerShellBashPythonBatch or similar tools Ability to use automation to improve reliability, consistency, and security Certifications (Valued) Microsoft, Linux, Network, Cloud, Security   Soft Skills & Attributes Strong verbal and written communication skillsComfortable documenting technical processes and security proceduresTeam‑oriented with the ability to work independently when neededSecurity‑first mindset with attention to detailContinuous learner who actively stays current with evolving threats, tools, and best practices Sound Exciting? Get in touch today! We have very robust benefits including:  Low-cost Medical / Dental / Vision coverage options 401K with generous employer match Responsible Paid Time Off + 11 Paid Holidays Remote work opportunities based on role Employee Assistance Program (EAP) Career growth and professional development opportunities    All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status. Locations: Fort Worth, TX