Senior Specialist, Information System Security Officer

L3Harris; Colorado Springs (CO); On-site; USD 79,000 - 147,000; Full time

Job summary

L3Harris is seeking a Senior Specialist, Information System Security Officer to support the Space Superiority & Imaging division. The role involves performing security assessments, managing user accounts, and ensuring compliance with NIST standards. Candidates should have a strong background in information technology and security regulations, along with relevant experience in security control assessments and incident response. This position offers competitive compensation and a variety of benefits.

Benefits

Healthy and disability insurance

401(k) match

Flexible spending accounts

Education assistance

Parental leave

Paid time off

Company-paid holidays

Qualifications

• 4 years experience with Bachelor's or 2 years with Graduate Degree, or 8 years without degree.
• Experience with DoD 8570 IATII/IAM I certification preferred.

Responsibilities

• Perform security control assessments and continuous monitoring.
• Conduct configuration and vulnerability scanning and remediation.
• Investigate and respond to security incidents.

Skills

Active Top Secret/SCI security clearance

Information assurance standards

Configuration and vulnerability scanning

User training

Incident response

Education

Bachelor’s Degree

Graduate Degree

Tools

ACAS

NESSUS

SIEM tools

Linux/Unix commands

Job description

Senior Specialist, Information System Security Officer

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 Technologies is the Trusted Disruptor in the defense industry. 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 System Security Officer

Job Code: 22968

Job Schedule: 9/80 Regular

Job Description:

L3Harris is seeking an Information System Security Officer (ISSO) to support the Space Superiority & Imaging division’s customers and programs. The ISSO will perform information system security activities under the guidance and oversight of the Information System Security Manager (ISSM) on assigned information systems. The ISSO will be knowledgeable in information technology and information assurance standards and regulations. Responsibilities include, but are not limited to, performing security control assessments and continuous monitoring, conducting configuration and vulnerability scanning and remediation, authoring and maintaining documentation and artifacts (body of evidence) in support of the Assessment and Authorization (A&A) of information systems following the National Institute of Standards and Technology (NIST) Risk Management Framework (RMF), remediating security control deficiencies, assessing and approving change requests for assigned information systems, performing user training and user account management oversight, and investigating and responding to security incidents and violations.

Qualifications:

• Active Top Secret/SCI security clearance.
• Bachelor’s Degree and minimum 4 years of prior relevant experience, or Graduate Degree and a minimum of 2 years of prior related experience. In lieu of a degree, minimum of 8 years of prior related experience.

Preferred Additional Skills

• DoD 8570 IATII/IAM I certification.
• Experience as an ISSO supporting classified systems under the JSIG, ICD 503, and/or 32 CFR Part 117 Section 18.
• Experience with automate security scanners such as ACAS, NESSUS, SCAP, and EvaluateSTIG.
• Experience supporting virtual environments and/or cloud-based environments.
• Experience performing RMF A&A activities and system accreditation.
• Experience conducting information system inspections and vulnerability assessments.
• Experience developing Plans of Action & Milestones (POA&M) to document and mitigated security control deficiencies.
• Experience hardening information systems and/or performing configuration/vulnerability assessments against the DISA STIG standards.
• Experience auditing information system and user activity using SIEM tools like Splunk, and/or Log Insight.
• Experience utilizing command line interfaces (CLI) and Linux/Unix commands to operate/support systems.

In compliance with pay transparency requirements, the salary range for this role in Colorado is $79,000 - $146,500. 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 healthy 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. The application window for this requisition is anticipated to close 8/5/2025.

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 .

About the company

L3Harris Technologies is an agile global aerospace and defense technology innovator, delivering end-to-end solutions that meet customers’ mission-critical needs. The company provides advanced defense and commercial technologies across air, land, sea, space and cyber domains.