Specialist, Cyber Intelligence - ISSO

Harris Geospatial Solutions; Greenville (TX); On-site; USD 90,000 - 150,000; Full time

Job summary

L3Harris Greenville, Texas, is seeking an Information System Security Officer (ISSO) to support AFIC programs. Responsibilities include auditing, documenting, and accrediting systems under the ISSM with RMF and NIST guidance.

Proficiency with XACTA, Nessus, and other security tools is required. The role emphasizes updating SSPs, SARs, POA&Ms, and risk assessments, with strong collaboration across IT and system managers.

Qualifications

• Bachelor’s Degree in a related field with 4+ years of cyber experience; graduate degree with 2+ years; or 8+ years of cyber experience in lieu of a degree.
• Active Top Secret security clearance required.
• CompTIA Security+ CE or equivalent certification.
• Experience with accreditation systems such as XACTA, EMASS, SNOW; familiarity with RMF, NIST, CNSSI, JSIG, and DoD directives.

Responsibilities

• Audit, document, and accredit assigned boundaries and networks under the ISSM guidance.
• Update documentation for information systems within XACTA.
• Interpret and implement RMF, NIST, CNSSI, JSIG, DoD and customer directives.

Skills

Security mindset

Documentation

Education

Bachelor’s Degree

Graduate Degree or equivalent

8+ years experience in lieu of degree

Tools

XACTA

XACTA.io

EMASS

SNOW

Tenable Nessus

Splunk

Job description

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: Specialist, Cyber Intelligence - ISSO

Job Code: 44113

Job Location: Greenville, TX; On-site

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

Job Description:

L3Harris Greenville, Texas, is seeking an Information System Security Officer (ISSO) in support of Air Force Intelligence Community (AFIC) programs. Duties for successful candidates include the auditing, documentation and accreditation of assigned boundaries and networks under the guidance of the Information System Security Manager (ISSM). Will be responsible for updating all pertinent documentation for assigned information systems within XACTA. The candidate must be knowledgeable on a variety of security tools including Tenable Nessus, Clam AV, Trellix, ELK Stack or similar security tools. The ISSO must have a thorough understanding of the Risk Management Framework process. A general knowledge of networking and vulnerability mitigation with different operating systems such as Windows and Linux is a must.

Essential Functions:

• Intemperate vulnerability scans, interpret results, and recommend remediation plans.
• Prepare, review, and maintain authorization documentation, including System Security Plans (SSPs), Security Assessment Reports (SARs), Plans of Action and Milestones (POA&Ms), risk assessments, and supporting artifacts.
• Interpret and implement cybersecurity requirements in accordance with RMF, NIST, CNSSI, JSIG, DoD, or other applicable government frameworks and customer directives.
• Execute Continuous Monitoring Plans.
• Support Security Test and Evaluation (ST&E) activities, including planning, preparation, execution support, analysis of results, and reporting of findings.
• Interface with system managers and Information Technology (IT) personnel to track and resolve identified vulnerabilities.
• Create, maintain, and update documentation.
• Develop new concepts or standards which make significant and impactful improvements to processes, systems, solutions, or products.
• Communicate cybersecurity risks, requirements, and compliance status to technical and non-technical stakeholders, including leadership, customers, and external assessors.
• Flexibility to adjust to changing requirements, schedules, and priorities.
• Ability to obtain and maintain any additional clearances as required.

Qualifications:

• Active Top Secret security clearance required.
• Bachelor’s Degree and a minimum of 4 years of prior related Cyber experience.
• Graduate Degree or equivalent with 2 years of prior related Cyber experience.
• In lieu of a degree, a minimum of 8 years of prior related Cyber experience.
• Demonstrated experience with accreditation systems such as XACTA, EMASS, SNOW.
• Demonstrated experience with office tools to include but not limited to Microsoft Word, Visio, Excel and Adobe Acrobat.
• Demonstrated experience working and collaborating in a multi-disciplinary, diverse, and dynamic team environment.
• CompTIA Security+ CE or equivalent certification.

Preferred Additional Skills:

• Experience with XACTA and XACTA.io
• Relevant experience with various operating systems (e.g. Windows, Linux, UNIX, Solaris, Cisco), Windows server systems, system virtualization, and other related peripherals.
• Experience with SPLUNK, Security Center/Nessus, and other software/systems
• Experience with configuration/certification and auditing/analysis of Windows, Linux, UNIX systems to include stand-alone IS, peer-to-peer networks, LANs/WANs and interconnections.
• Experience with technical configuration standards relating to information system security.
• Experience interpreting vulnerability scanning and security log results (Nessus, ACAS, Splunk)

#LI-AM2

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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