Senior Specialist, IT Systems & Infrastructure Engineer

Senior Specialist, IT Systems & Infrastructure Engineer (Security)

L3Harris 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. L3Harris 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.

L3Harris 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 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:

• 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.

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:

• Experiencing architecting, deploying and supporting global network solutions that support a wide variety of users.
• Experiencing building and support AWS networks.
• Experience with Infrastructure as Code (IaC) tools (Ansible, Terraform, Python, and Bash).
• Excellent communication and organizational abilities.
• Experience with Juniper JunOS, Cisco IOS, and pfSense firewalls.
• Hands-on experience supporting linux, containerization and cloud platforms.
• Mentoring engineers and providing peer technical oversight.
• Ability to lead infrastructure projects.
• Experience supporting technical or engineering teams.
• Flexibility for occasional 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. L3Harris also offers a variety of benefits, including health and disability insurance, 401(k) match, flexible spending accounts, EAP, education assistance, parental leave, paid time off, and company-paid holidays. The specific programs and options available to an employee may vary depending on date of hire, schedule type, and the applicability of collective bargaining agreements.

L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law.

Please be aware many of our positions require the ability to obtain a security clearance. 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.

By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions.

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