Information System Security Officer (ISSO)

Prattwhitney; East Hartford (CT); On-site; USD 87,000 - 165,000; Full time

Benefits offered by this job

Parental leave

Flexible schedules

Education assistance

401(k) match

Job summary

RTX Technology Research Center seeks an Information Systems Security Officer (ISSO) in East Hartford, CT, reporting to the Facility Security Officer. You will work with the ISSM to ensure compliance with NIST SPs, DAAG, JSIG, and DoD directives in a growing SAP ISSO path.

The role requires active SECRET clearance, DoD experience, and familiarity with RMF, DISA STIGs, and vulnerability tools. RTX offers a robust rewards package and career growth in a critical security-focused environment.

Qualifications

• University Degree or 5+ years in Systems Administration, Security/Cybersecurity, or related field.
• Active US Government Security Clearance, SECRET level or higher.
• Current IAM Level I certification (Security+ or equivalent).
• Experience with DoD classified environments and RMF processes.
• Experience with security tools for vulnerability analysis and mitigation.

Responsibilities

• Support collateral classified work and grow into SAP ISSO responsibilities.
• Coordinate with FSO/ISSM to ensure compliance with NIST, CNSSI, DoD directives, and JSIG.
• Provide security consultation for cross-domain networks and federal customers.

Skills

Security clearance

Certification (Security+ or equivalent

RMF/DoD/NIST exposure

Vulnerability tools (Splunk, HBSS)

Windows/Linux familiarity

Education

Bachelor's degree or 5+ years in related field

Tools

Splunk

Forcepoint

Ivanti

Tenable

ACAS

HBSS

Job description

Date Posted: 2026-09-30 Country: United States of America Location: US-CT-EAST HARTFORD-RTRC A ~ 411 Silver Ln ~ RTRC A Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Active and existing security clearance required on day 1 At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world. Join us and help shape the future of aerospace and defense.

What You Will Do

The RTX Technology Research Center (RTRC) Government Security Compliance (GSC) team is seeking an Information Systems Security Officer (ISSO) to support our team in East Hartford, Connecticut. The successful candidate will report directly to the Facility Security Officer and work closely with the Information Systems Security Manager (ISSM) in adherence with NIST Special Publications, customer directives, and company policies as well as applicable NISPOM Chapter 8, DAAG, and JSIG policies. We are looking for people with initiative, creativity, adaptability, strong written and verbal skills, strong analytical skills and attention to detail; creative troubleshooting skills; possess excellent judgment and professional maturity; have multi-tasking abilities and a client focus; and work effectively in a time sensitive and dynamic environment. While the role will begin as support for collateral classified only, it will develop into a Special Access Program (SAP) ISSO role as well with room for advancement.

Qualifications

• You Must Have Typically requires: A University Degree or minimum 5 years experience in Systems Administration, Systems Engineering, Security/Cybersecurity, Info-Tech/Networking, or Management role supporting classified programs or government regulated environment; or An Advanced Degree in a related field and minimum 3 years experience Current IAM Level I certification (Security+ or other) Active US Government Security Clearance, SECRET level or higher.
• We Prefer Active US Government TOP SECRET level security clearance.
• Experience working in DoD classified operating and/or laboratory environments.
• Experience with various information system security tools that address vulnerability analysis and mitigation. These may include Splunk, Forcepoint, Ivanti, Tenable, ACAS, HBSS, etc.
• Familiarity with implementation of Government directives and policies derived from NIST, CNSSI, DoD, or other Government Regulatory compliance standards within a professional industry.
• Experience in the execution of the Assessment & Authorization processes, as defined within the Risk Managed Framework (RMF).
• Experience providing technical security consultation for complex, cross-domain, heterogeneous classified networked environments in collaboration with internal/external Customers, Information Technology (IT).
• Familiarity with large multi-facility networks including various complex components, including Windows and Linux environments.
• Experience interpreting, implementing, and assessing DISA STIGs.
• Familiarity with the execution and management of cyber incident response; preservation, containment, and eradication.

What We Offer

Whether you’re just starting out on your career journey or are an experienced professional, we offer a robust total rewards package with compensation; healthcare, wellness, retirement and work/life benefits; career development and recognition programs.

• Some of the benefits we offer include parental (including paternal) leave, flexible work schedules, achievement awards, educational assistance and child/adult backup care.
• Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays.
• Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.
• Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement.
• Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.
• This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.

Salary

The salary range for this role is 86,800 USD - 165,200 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.

Application Window

RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.

Equal Opportunity Employer

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class.

RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.

About RTX

RTX is an aerospace and defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry-leading businesses – Collins Aerospace, Pratt & Whitney, and Raytheon. Its 195,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity. The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, Virginia.