Senior Specialist, IT Security
Listed on 2026-06-18
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IT/Tech
Cybersecurity, Information Security, IT Support
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.
Senior Specialist, IT Security
Job : 37111
Job Location: Greenville, Texas;
On-site
Job Schedule: (9/80), Off every other Friday, 1st shift
Job DescriptionThe Senior IT, Security Specialist would oversee the protection, handling, and compliance of sensitive government information. Develop policies, manage training, and implement IT security controls to meet DFARS/CMMC requirements acting as the central point for internal and external audits and risk management.
Essential Functions- Documentation Management:Lead the creation and maintenance of the System Security Plan (SSP) and thePlan of Action and Milestones (POA&M). Requirements traceability matrix’s.
- Audit Liaison:Act as the primary point of contact forC3
PAO(Third-Party Assessment Organizations) and manage formal assessments. - Risk Remediation:Oversee the closing of security gaps identified during internal or external readiness assessments
- Continuous Monitoring:Conduct regular system audits (inventory control and cyber audits), incident response testing, and ongoing policy enforcement
- Personnel Security
:
Develop and deliver role-based security training - Microsoft Office Suite and tools: Experience with the Office suite of tools Word, Excel Powerpoint, Visio, One Note, Share Point
- Scan Compliance :Nessus and SCAP scanning, results remediation tracking
- 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.
- Requires an Active Secret Security Clearance.
- 4–7 years in government compliance, security, or project management, specifically with DOD regulations or cybersecurity frameworks.
- Deep understanding of NIST SP 800-171, DFARS, and NARA CUI guidelines.
- Ability to identify and classify Controlled Unclassified Information (CUI) and Federal Contract Information (FCI) within the organization.
- The position involves heavy lifting, ladder work, and working in tight or confined areas.
- May require up to 5% travel CONUS
- CMMCCertified Professional (CCP) orCMMC Certified Assessor (CCA) designations.
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L3
Harris Technologies is proud to be an Equal Opportunity Employer. L3
Harris 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.
L3
Harris 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.
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