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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 Title: Senior Specialist, Information Security Systems Engineering

Job Code: 44809

Job Location: Nashville, TN

Job Schedule: 9/80: Employees work 9 out of every 14 days- totaling 80 hours worked- and have every other Friday off

Role is contingent upon program award

Job Description:

The Information Systems Security Engineer, Senior Specialist, serves as the accountable owner for cybersecurity implementation and validation across the program. This role contributes to the development, documentation, and implementation of system security requirements. This role collaborates with systems engineering, software, hardware, network engineering, integration and test, and program stakeholders to ensure security requirements are clearly defined, properly documented, and implemented in alignment with mission, contractual, and regulatory expectations.

Essential Functions:

• Contribute to cybersecurity implementation activities by supporting requirement definition, documentation, and tracing across systems, software, hardware, and network components.
• Assist with secure network support activities including segmentation, routing and switching considerations, access control, logging, encryption, and secure communications.
• Support development and continuous updates of accreditation documentation including System Security Plans (SSPs), Security Assessment Reports (SARs), Continuous Monitoring Plans, Privileged User Guides, POA&Ms, network diagrams, and data flow documentation.
• Participate in execution of vulnerability management tasks including STIG implementation, compliance scanning, remediation tracking, and closure of cybersecurity findings.
• Assist engineering teams in assessing security risks, identifying mitigations, and documenting supporting evidence for authorization.
• Contribute to verification and validation activities by supporting test planning, requirements verification, evidence collection, and preparation for customer cybersecurity reviews.
• Communicate security status, identified risks, and compliance progress to senior engineers and program stakeholders.
• Develop security documentation supporting accreditation efforts and help ensure compliance with NIST SP 800-53, NIST SP 800-171, and RMF processes.
• Ability to obtain and maintain a US DoW Secret clearance and, if required by the program, obtain a US Top Secret clearance. 

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.
• Ability to obtain a US Secret security clearance

Preferred Additional Skills:

• Security+ or CISSP certification required.
• Working knowledge of NIST SP 800-53 and NIST SP 800-171 principles and their application in system design, validation, and continuous monitoring activities.
• Experience with Windows and/or Linux security administration and networking fundamentals including TCP/IP, DNS, routing, switching, firewalls, and secure communications.
• Familiarity with DoW STIGs, ACAS, Nessus, SCAP, CIS Benchmarks, or similar compliance and hardening tools.
• Ability to contribute to cybersecurity documentation development supporting accreditation efforts.
• Strong analytical, organizational, and communication skills and cross-functional communication skills with the ability to influence technical and program decisions.
• Experience supporting cybersecurity efforts in DoW or national security environments.
• Experience assisting with system assessments, continuous monitoring activities, and sustainment of authorized systems.
• Exposure to secure system design, network defense concepts, or vulnerability remediation workflows.

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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