Systems Administrator

Job Title: Systems Administrator

Location : Ft Worth, TX - Hybrid, minimum 3 days onsite per week

Pay 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 workloads
• Plan and execute security-focused infrastructure improvements, including hardening, segmentation, access controls, and monitoring
• Administer and secure Windows and Linux servers, endpoints, and core network services
• Support remote and distributed teams through secure access solutions (VPN, conditional access, privileged access workflows)
• Actively support cybersecurity initiatives, including:
• • Security policy development and enforcement
  • System and network hardening
  • Vulnerability remediation and configuration baselines
  • Log review, monitoring, and incident response support
• Assist with identity and access management, including Active Directory, RBAC, Group Policy, and privileged access controls
• Troubleshoot infrastructure, security, and end-user issues while maintaining compliance requirements
• Maintain accurate system, network, software, and hardware inventories
• Create and maintain system administration guides, security runbooks, and training documentation
• Collaborate 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

• Must be a US Citizen

Education & Experience

• Bachelor's degree in Computer Science, Information Systems, or a related field or equivalent hands-on experience
• 3-5+ years of experience in cloud and/or hybrid Windows/Linux system administration
• Demonstrated 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 Management
  • SharePoint
  • Windows Server and Windows Desktop
• Active Directory expertise, including:
• • Group Policy design and enforcement
  • Role-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 concepts
  • Endpoint and server hardening
  • Logging and monitoring
• Solid understanding of:
• • Cloud and on-prem storage
  • Backup and recovery strategies
  • Disaster recovery and business continuity
• Ability to diagnose and troubleshoot hardware, OS, network, and security-related issues

Automation & Scripting

• Experience with scripting and automation using:
• • PowerShell
  • Bash
  • Python
  • Batch 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 skills
• Comfortable documenting technical processes and security procedures
• Team-oriented with the ability to work independently when needed
• Security-first mindset with attention to detail
• Continuous 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 + 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.