Senior Specialist, IT Systems & Infrastructure Engineer

Senior Specialist, IT Systems & Infrastructure Engineer (Security)

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 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

Job Description:

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.

Essential Functions:

• Align IT services with global standards and ensure stable, reliable infrastructure.
• Resolve issues promptly and communicate clearly for a positive user experience.
• Take ownership of problems and improve systems, processes, and service quality.
• Collaborate effectively with colleagues across regions and share knowledge.
• Enhance security and resilience through disciplined patching and monitoring.
• Build constructive, trusted relationships with the teams you support.
• Office-first with occasional remote work flexibility.
• Primary location:
  Washington, DC
• Occasional domestic or international travel is required.
• Ability to obtain DoD security clearance.

Technical Responsibilities:

• 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 security through hardening, patching, and vulnerability remediation.

Qualifications:

• Bachelor's Degree and minimum 6 years of prior relevant experience. Graduate Degree and a minimum of 4 years of prior related experience. In lieu of a degree, minimum of 10 years of prior related experience.

Preferred Additional

Skills:

• Proficient in Linux system administration, Juniper JunOS, Cisco IOS, pf Sense firewalls, and VMWare vSphere.
• Strong skills in analyzing and solving technological challenges.
• Experience with networking fundamentals, containerization technologies, and cloud platforms.
• Familiar with automation and security best practices.
• Eligibility to obtain a security clearance (current clearance is a plus).
• Excellent communication and organizational skills.
• Relevant degree with 5+ years of professional experience in systems, networks, or infrastructure engineering.
• Experience supporting technical or engineering-focused teams.
• Capacity to anticipate and resolve customer needs effectively.
• Strong risk management and governance orientation.
• Confidence and decisiveness in periods of change.
• Flexibility for international and domestic travel.

In compliance with pay transparency requirements, the salary range for this role in Washington D.C. is $106,500 - $197,500. This is not a guarantee of compensation or salary, as final offer amount may vary based on factors including but not limited to experience and geographic location. L3

Harris also offers a variety of benefits, including health and disability insurance,…