Information Systems Security Engineer (ISSE)

Date Posted : 2025-06-25

Country :

United States of America

Location :

CA827 : 100 Headquarters Dr San Jose 100 Headquarters Drive , San Jose, CA, 95134 USA

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 :

DoD Clearance : TS / SCI

Applied Signal Technology (AST) is seeking an Information Systems Security Engineer who strives for excellence and has a passion to be part of a team that strengthens our nation and improves the security of our world. AST provides trusted strategic and tactical SIGINT solutions that secure the interests of the U.S. and its partners. AST’s work in areas such as high-capacity broadband communications, signal processing and analysis, tactical SIGINT, and wireless communications continually challenges our extraordinary engineers to resolve problems and make the world a safer place. AST’s work environment is passionate, highly collaborative and provides engineers the freedom to strengthen and expand their skills, explore new and creative ideas, and work closely with our nation’s finest service members all while embracing integrity, innovation, and balance of work-life.

Our Cybersecurity team consistently achieves Approval to Operate (ATO) under JSIG, DAAPM, and ICD 503 standards. To embed security earlier into the development lifecycle, we seek an Information Systems Security Engineer (ISSE) who will closely collaborate with system architects, software engineers, and ISSMs. ISSEs collaborate closely with security and product teams, providing the security implementation of technologies and traditional networks designed to operate securely in sensitive contexts. Serving as the technical backbone for standardizing secure product and network deployments, ISSEs bring extensive expertise in Information Technology and the Risk Management Framework (RMF).

The ideal candidate combines a solid background in software or systems engineering with practical experience in Continuous Integration / Continuous Deployment (CI / CD) processes and has transitioned into an information systems security role.

This is an ONSITE position at our San Jose, CA location. To find out more about AST, please click the following link -

What You Will Do :

You will provide critical expertise in documenting security controls to streamline administrative processes and reduce costs associated with deploying products operationally.

You will partner closely with program and security teams to prepare and manage security documentation and artifacts required for classified deployments.

You will translate commercial technology standards into solutions suitable for classified, air-gapped environments (key responsibility)

You will collaborate with Information System Owners to gather stakeholder requirements and deliver complex technical solutions that fulfill contractual obligations.

You will tailor and allocate NIST 800-53 security controls, identifying applicable measures for various network environments and overseeing the implementation of Continuous Monitoring programs.

You will define, document and conduct comprehensive security scans on accredited products and systems.

You will shape, scope, and oversee the development of compliance features ensuring products meet all necessary security standards and regulations.

Travel up to 10%

Qualifications you must have :

Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM), information technology and a minimum of 5 years of prior relevant experience.

5 years of direct hands-on experience with Linux / Windows system builds, networking, or security architecture.

3 years of direct experience in Risk Management Framework (RMF), Joint SAP Implementation Guide, or ICD 503 processes.

Knowledge in Infrastructure-as-Code and scripting technologies such as Ansible, Terraform, PowerShell, or Bash.

Familiarity with vulnerability scanning tools, STIG compliance, Security Content Automation Protocol (SCAP), and security event information management (SIEM).

Certified at DoD 8570 / 8140 IAM / IAT Level I or equivalent (Sec+, etc.) or ability to achieve certification within six months.

Active and transferable TS / SCI U.S. government issued security clearance is required prior to start date with the ability to obtain polygraph after start.

Qualifications we prefer :

Master’s degree in Cybersecurity Engineering, Systems Engineering, or related technical field

Knowledge of Kubernetes and container orchestration security in disconnected environments.

Prior appointment as ISSE or IASAE, in accordance with DoD 8510.01.

Active engagement in DevSecOps methodologies

CASP+ CE CISSP (or Associate) CSSLP certification.

What We Offer :

Medical, dental, and vision insurance

Three weeks of vacation for newly hired employees

Generous 401(k) plan that includes employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy option

Tuition reimbursement program

Student Loan Repayment Program

Life insurance and disability coverage

Optional coverages you can buy pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, and ID theft protection

Birth, adoption, parental leave benefits

Ovia Health, fertility, and family planning

Adoption Assistance

Autism Benefit

Employee Assistance Plan, including up to 10 free counseling sessions

Healthy You Incentives, wellness rewards program

Doctor on Demand, virtual doctor visits

Bright Horizons, child and elder care services

Teladoc Medical Experts, second opinion program

Eligible for relocation

And more!

Do you want to be a part of something bigger? A team whose impact stretches across the world, and even beyond? At Collins Aerospace, our Mission Systems team helps civilian, military and government customers complete their most complex missions — whatever and wherever they may be. Our customers depend on us for intelligent and secure communications, missionized systems for specialized aircraft and spacecraft and collaborative space solutions. By joining our team, you’ll have your own critical part to play in ensuring our customer succeeds today while anticipating their needs for tomorrow. Are you up for the challenge? Join our mission today.

Role Type :

• Please ensure the role type (defined below) is appropriate for your needs before applying to this role.

Onsite : Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.

#AST

The salary range for this role is 90,000 USD - 182,000 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.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.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.