Senior Specialist, Systems Administration

L3

Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3

Harris provides an inclusive, engaging environment designed to empower employees and promote work‑life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.

L3

Harris is the Trusted Disruptor in defense tech. With customers’ mission‑critical needs always in mind, our employees deliver end‑to‑end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

Job Title:
Senior Specialist, Systems Administration
Job Code: 34744
Job Location:
Washington, DC (Hybrid)
Job Schedule: 9/80 – Employees work 9 out of every 14 days – totaling 80 hours worked, and have every other Friday off

As a key member of the Global IT Operations team, you will help strengthen and modernize the company’s core IT services across your region. You will work across systems, networks, cloud platforms, and automation tooling to ensure reliable, secure, and high‑quality services for a highly technical workforce. You will play an important role in improving operational maturity, enhancing service quality, and contributing to a culture of accountability and continuous improvement.

Joining at a pivotal moment, you will help enhance governance, build trust, and strengthen the operational foundation amidst substantial personnel and capital investments. The IT organization supports a global workforce of approximately 150 people, primarily composed of software engineers and researchers. Depending on the needs of your region and the local team composition, you may operate as a primary technical point of contact for your site or work collaboratively alongside peers in a shared‑responsibility model.

• Design, implement and support and improve a hybrid global network infrastructure, including routing, switching, firewalls, VPNs, and site‑to‑site connectivity.
• Automate infrastructure provisioning and management using tools such as Ansible, Terraform, Python, and Bash.
• Participate in incident response and serve as an escalation point for complex issues.
• Monitor system health and performance, using tools such as Prometheus, Grafana, and SNMP.
• Enhance infrastructure security through hardening, patching, and vulnerability remediation.
• Align IT services with global standards, and ensure stable, reliable infrastructure.
• Take ownership of problems and improve systems, processes, and service quality.
• Collaborate effectively with colleagues across regions and share knowledge.
• Ability to obtain DoD security clearance.
• Work may be performed in an office environment with people in close proximity.
• Duties require working with a global team and may periodically necessitate working outside of normal working hours (evenings, holidays, and weekends).
• Up to 10% travel required.
• Ability to sit at a desk, look at a monitor, and type for extended periods of time.
• May be required to lift/move up to 25 lbs with assistance.
• Dexterity of hands and fingers to operate and troubleshoot computers.
• May require the ability to travel via automobile or airplane.

• Operate and maintain regional and global infrastructure services including servers, networks, virtualization platforms, storage systems, and cloud environments.
• Diagnose and resolve complex technical issues.
• Deploy, configure, and maintain Linux servers and containerized workloads.
• Support and improve network infrastructure, including routing, switching, firewalls, VPNs, and site‑to‑site connectivity.
• Automate infrastructure provisioning and management using tools such as Ansible, Terraform, Python, and Bash.
• Support cloud‑based services, particularly AWS.
• Assist in the deployment and maintenance of developer tooling.
• Participate in incident response and serve as an escalation point for complex issues.
• Monitor system health and performance, using tools such as Prometheus, Grafana, and SNMP.
• Enhance infrastructure…