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Systems Administrator
LYNX
- Fort Worth, Texas, United States
- Fort Worth, Texas, United States
Über
Salary Range : $90,000 - $100,000 + Bonus Eligible
Who we are: Lynx delivers modular, open standards-based software solutions that redefine the economics of developing, deploying, and maintaining high assurance, mission critical edge platforms. These secure edge computing solutions are designed to drive innovation and operational excellence in today’s most demanding environments. From advancing aerospace and defense capabilities to transforming commercial and industrial systems, Lynx collaborates across a wide range of industries, including automotive, medical, and critical infrastructure, to deliver tailored, high assurance solutions aligned with specific mission and operational requirements. Our key products and services are:
LYNX MOSA.ic: A software platform that can include a LYNX safety-critical real-time operating system. MOSA.ic's modular design provides robust support for multicore processing. It allows different operating systems and applications of different criticality levels to be run on separate cores for improved performance, reliability, and security.
CoreSuite 2.0: A suite of graphics libraries and tools that enable GPU hardware acceleration for both graphics and "GPU Compute", supporting applications such as machine learning and AI processing in edge devices.
MOSA.ic.SCA and Vigiles, tools that provide Software Bill of Materials (SBOM) and Common Vulnerabilities Exposure (CVE) management for embedded Linux-based and other applications.
Software development services for high-reliability applications that can include initial setup of a "DevSecOps" development environment, software application development, and long-term product lifecycle management.
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
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
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
Benefits
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.
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Sprachkenntnisse
- English
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