RTX
aerospace and defense
SeniorInformationSystemSecurityEngineer(ISSE)II
Neural analysis suggests this role is
optimal for Senior candidates.
“Senior Information System Security Engineer (ISSE) II at RTX. Skills: Information Systems Security Engineering, Cybersecurity, Systems Security, Network Architecture, compliance regulations. support a layered complexity of Classified Information Systems. provide strategic guidance to Information System Security Managers, Mission Area Leads, Cybersecurity Officers, and System Integrators”
What You'll Achieve.
drive technical standards; establish baselines; reduce waste; reduce technical debt; enhance Raytheon’s engineering and scientific capabilities; design and develop secure compliant technical solutions; capture efficiencies, cost offsets and savings to enable competitive advantage; drive technological evolution of supported programs
Industry & Context.
problem solvers; methodical judgment; systems thinking; gap analysis; risk evaluations
100% onsite at our facility in El Segundo, California, Business travel as up to 10%, Active and transferable U. S. government issued security clearance is required prior to start date, U. S. citizenship is required, DoD Clearance: Top Secret, Active and existing security clearance required on day 1, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote
What They're Looking For.
Must Have
University Degree or equivalent experience and minimum 8 years prior relevant experience, or an Advanced Degree in a related field and minimum 5 years’ experience, Experience in Cyber / Systems Security or Network Architecture / Technology, Experience understanding and implementing compliance regulations such as NISPOM, DAAPM, JAFAN, ICD, FAA, HIPAA, and/or other government regulations/requirements, Active and transferable U. S. government issued security clearance is required prior to start date, U. S. citizenship is required, DoD Clearance: Top Secret, Active and existing security clearance required on day 1
Nice to Have
Experience with change management or architectural governance, Ability to tailor technical discussions to various audiences, create security whitepapers and concept of operations, Experience with information security COTS applications (i. e. endpoint security, security information and event management, vulnerability management, encryption, antivirus), Experience with project management and collaboration tools (i. e. SharePoint, MS Project, JIRA, Azure DevOps), Experience with SIEM tools, Understanding of enterprise architectural framework methodologies (i. e. TOGAF, DoDAF), Familiarity with containerization and related technologies (i. e. Kubernetes, Rancher, Docker), Experience with virtualization (i. e. VMWare, Nutanix), Familiarity with cloud architecture, service categories and deployment models
What You'll Do.
support a layered complexity of Classified Information Systems
provide strategic guidance to Information System Security Managers
Cybersecurity Officers
and System Integrators
drive technical standards
identify value streams in processes to reduce waste
reduce technical debt and enhance Raytheon’s engineering and scientific capabilities
presentations for multiple levels of the business
Serves as a Subject Matter Expert (SME) for designated tools
ensuring alignment with and support for Raytheon's standard solutions portfolio
and supports technical standards while balancing the needs of the program and mission
Provide strategic direction with ability to drive technological innovation
Collaborate with other architecture teams to design and develop secure compliant technical solutions for deployment
Conducts technical solution evaluation for new conducts gap analysis and risk evaluations of new capabilities
Provides expert technical advisement in support of Customer discussions
approval requests and other tasks as needed
cost offsets and savings are captured by the Architecture team to enable competitive advantage
Provides oversight and leadership of Cybersecurity projects and initiatives of cost-benefit and risk management analysis
Supports enterprise and business initiatives to drive technological evolution of supported programs
Supports the Organization’s vision
How You'll Work.
Team & Collaboration
partners with Cybersecurity Operations, Digital Technology and Engineering; Collaborate with other architecture teams
Communication Scope
oral/written communication; Conducts briefings, presentations for multiple levels of the business; tailor technical discussions to various audiences; create security whitepapers and concept of operations
Process & Methodology
project management, collaboration tools, project management and collaboration tools, cost-benefit and risk management analysis
Full Job Description
**Date Posted:** 2026-05-18 **Country:** United States of America **Location:** US-CA-EL SEGUNDO-E01 ~ 2000 E El Segundo Blvd ~ BLDG E01 **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: Top Secret **Security Clearance Status:** Active and existing security clearance required on day 1 At RTX, the world 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. Raytheon brings the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. We deliver solutions that help our nation and allies defend freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense. Our cybersecurity team is seeking a **Senior Information Systems Security Engineer (ISSE) II** to support our team **100% onsite** at our facility in **El Segundo, California.** The Senior Information System Security Engineer (ISSE) II is an individual contributor responsible for a layered complexity of Classified Information Systems. The ISSE partners with Cybersecurity Operations, Digital Technology and Engineering to align capabilities across multiple information systems. Each day you will directly contribute program and mission success by providing strategic guidance to Information System Security Managers, Missi
Applying for this Senior Information System Security Engineer (ISSE) II role?
Most applicants get filtered before a human reads their resume. See if yours makes the cut.
How to Apply on Workday
- Workday has a multi-step form — save your progress after every section.
- "Apply With LinkedIn" can fail or lose data; manual entry is more reliable.
- Watch for the "Submit for Review" final step — hitting "Save" alone does not submit.
- Job requisition numbers are useful when following up with HR by email.
ANONYMOUS · UNFILTERED
What do employees actually say about RTX?
Real rants from real employees. Read before you apply.