Senior Specialist, IT Security

As a Senior Specialist, IT Security, you will design, implement, and support enterprise Windows, VMware, and RHEL environments. Acting as a self-driven contributor within a team, you will participate in the full system lifecycle, including development, testing, and production validation. You will apply automation frameworks to improve efficiency, consistency, and reliability while engineering solutions that support both current operations and future program requirements. Essential Functions Execute duties with minimal to no oversight, proactively identifying and addressing areas for improvement. Ensure compliance with IT system administration, security, and regulatory standards, including JSIG, NIST 800 series, and DoD Manuals Vol. 1–4. Support system design, engineering enhancements, and process improvements across environments. Assist in planning, developing, and implementing automation solutions and workflows. Monitor, track, and present technical performance metrics for IT systems. Analyze system capacity and performance to align with operational requirements. Collaborate with development teams to assess and plan for future growth and scalability. Maintain and support IT systems, ensuring stability, availability, and security. Present technical designs and participate in design reviews with stakeholders. Contribute to proposal efforts, including technical input and cost considerations. Travel up to 5% as required. Obtain and maintain additional clearances as required. Lift up to 30 to 50 lbs. Work on your feet up to 50% of the day. Perform other duties as required. 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. Active Top Secret clearance Preferred Additional Skills Experience with Linux in an enterprise environment, including RHEL, CentOS, and Fedora. Experience with scripting and automation, including Bash, Python, and Ansible. Experience with Windows in an enterprise environment, including Server 2019, Exchange, and MDT/WDS. Experience with VMware in an enterprise environment, including vSphere, vCenter, and vSAN. Experience with network storage solutions, including SAN/NAS, NetApp, MSA, iSCSI, and FCP. Experience with industry frameworks and methodologies, including ITIL, Agile, Scrum, DevOps, and SRE. Experience designing and administering VMware infrastructure. Experience with Cisco routing and switching environments, including network topology design, VLAN configuration, and virtualization integration.Experience with SIEM tools (i.e. Splunk) Experience with Tenable.SC deployment & configuration Experience with PDQ Deploy and Inventory Windows patch management tool In compliance with pay transparency requirements, the salary range for this role in Virginia (Greater D.C. area) is $96,000 - $178,000. 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. LI-KM1 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. L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish . For information regarding your Right To Work, please click here for English or Spanish .