Linux Systems Administrator/Engineer TrellisWare launched in 2000 with an innovative culture striving to push technological boundaries in the area of wireless communications. We are now a worldwide leader in highly advanced algorithms, waveforms, and communications systems that range from small form factor radio products to fully integrated solutions. At TrellisWare, we connect passion with purpose and together we make an impact- on our careers, our company, and the world. And you can too. If you love to innovate and collaborate in a dynamic environment where boundaries are being pushed, you belong at TrellisWare. Where the opportunity to serve is not a challenge but a gift. Where you're never going alone. Because there's too much at stake to go solo. Our Information Technologies Team is seeking an on-site Linux Systems Administrator/Engineer. You would be responsible for supporting the development and maintenance of secure, reliable, and scalable Linux-based infrastructure for engineering teams. The position requires close collaboration with IT, DevOps, and Engineering to deliver high-performance computing environments, support development tools, and ensure consistent system availability and security. Responsibilities also include project participation, technical troubleshooting, and strategic contributions to infrastructure improvements. Enhancing cohesiveness and maintaining team morale is a responsibility of all our team members, as is the ambition for self-improvement and talent development. Through this dedication to unity and professional advancement, each team member is directly impacting the successful outcome of TrellisWare's deliverables and setting the tone for our core values of delivering excellence, pushing boundaries, and empowering people. The essential duties and responsibilities include: Collaborates with hardware, software, and DevOps teams to design, implement, and support Linux-based solutions for both servers and desktops. Develops, maintains, and administers Linux compute farms and associated systems, including user management and access control. Administers logging and log aggregation tools; analyzes logs for performance optimization and security incident detection. Leads or contributes to IT infrastructure projects of varying scale across engineering and operations. Manages installation, licensing, and maintenance of engineering software tools. Interfaces with third-party vendors to evaluate and integrate external services that enhance internal capabilities. Oversees the setup and maintenance of engineering lab environments, including computers and networking infrastructure. Maintains and manages version control systems (e.g., Git, SVN), including migration and documentation. Supports engineers with scripting, automation tasks, and general programming assistance. Ensures robust hardware and software security, including system hardening, patching, antivirus, and endpoint protection. Manages patch deployment and antivirus updates across Linux desktops and servers. Continuously evaluates new technologies, participating in relevant training and recommending improvements as appropriate. Provides mentorship to other IT staff and contributes to cross-training initiatives. Maintains thorough and up-to-date IT documentation. Available on-site during core hours (Monday to Friday, 9:00 AM - 4:00 PM) and for occasional after-hours support or maintenance. Performs other duties as assigned. Develops relationships with team members built on trust and respect. Education and work experience requirements are: Bachelor's degree in Computer Science or equivalent. 5 years (10 or more years' in lieu of degree) experience in similar role. To be considered for this position, you would need to meet, at a minimum, the knowledge, skills, and abilities listed here: Deep expertise in enterprise Linux environments, particularly Ubuntu. Strong background in supporting high-availability systems for web, application, and database services (e.g., Apache, MySQL). Familiarity with Linux-based development tools and services, including: Version Control: Git, SVN Issue Tracking: JAMA, Trac Project Management: JIRA Workload Schedulers: LSF, Grid Engine, PBS Containerization: Docker, Kubernetes

Knowledge of integration between Linux and Windows environments (PBIS, LDAP). Solid understanding of IT infrastructure including Windows Server, Active Directory, networking, and security technologies (e.g., firewalls, IDS/IPS, encryption). Proficient in virtualization technologies, especially VMware. Experience with automation and configuration management tools (e.g., Ansible, Puppet). Skilled in leveraging open-source tools to streamline and enhance engineering workflows. Expert in SSH configuration and key-based authentication. Strong scripting skills (Bash, Python); additional programming or DevOps experience (e.g., Jenkins) is a plus. Familiarity with engineering toolchains (compilers, FPGA/ASIC tools) is a plus. Demonstrates comprehensive cybersecurity knowledge for Linux in enterprise settings, including system hardening, vulnerability scanning, patching, and endpoint detection and response (EDR). Self-motivated, able to work independently, and effective in cross-functional team environments. Strong written and verbal communication, documentation, analytical, and problem-solving skills. Proficient with standard office and productivity applications. Strong collaborative drive and interpersonal skills. Strong initiative, proactive work ethic and prioritization skills. Effective execution and decision making. Champion of change and promotes innovation. The physical demands described here represent those that must be met in order to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable those with qualified disabilities. Able to frequently sit, stand, walk, use hands to fingers, handle or feel, reach within hands and arm's length, stoop, kneel, and crouch, talk and hear. Regularly required to sit for extended periods of time; frequently required to use office equipment such as PC, printer, telephone, etc. Able to regularly lift and/or move up to 10 pounds, frequently lift and/or move up to 25 pounds, and occasionally lift and/or move up to 50 pounds. Specific vision abilities required by this job include close vision, distance vision, color vision, peripheral vision, depth perception, and ability to adjust focus. Additional requirements are: U.S. Citizenship. Ability to obtain a security clearance is required. Note: Many of TrellisWare's positions require a security clearance or the ability to obtain one. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information. TrellisWare Technologies pays competitively according to the market in an individual's geographic location, in addition to their qualifications and experience. The posted range is for individuals located in the San Diego, CA area. The pay range for this position is: $110,000-150,000 annually. The above statements are not intended to be an exhaustive list of all responsibilities, duties and skills required of personnel so classified. Nothing in the job description restricts the company's right to change, assign, or reassign duties and responsibilities at any time for any reason. *TrellisWare Technologies, Inc. is an EEO/AA/Disability/Vets Employer.