Senior Software Engineer

SAIC; San Diego (CA); On-site; USD 120,000 - 160,000; Full time

Job summary

SAIC is seeking a Senior Software Engineer in San Diego, CA. The role emphasizes JavaScript, React, and Linux (RHEL) with a strong web experience and an ACTIVE SECRET clearance to start. On-site work is expected with travel up to 10% annually.

Responsibilities include designing modular software components, developing on a RHEL platform, and working with C++ based apps, X windows, and web middleware. A robust security mindset is required.

Qualifications

• Bachelor's degree or higher with nine+ years of related experience
• Must be a U.S. Citizen
• Active Secret clearance required, Top Secret potential after start
• Strong Linux (RHEL) experience and front-end tech stack knowledge (JavaScript, React)

Responsibilities

• Design and develop software components that are reliable, modular, and secure
• Develop software on a RHEL OS platform and related C++/web middleware
• Contribute to UI/UX design, performance, and system scale considerations
• Collaborate with teams to meet accreditation and security requirements

Skills

JavaScript

React

Frontend web dev

Linux (RHEL)

Education

Bachelor's degree

Master's degree

Tools

Nginx

Apache

PostgreSQL

Oracle

Job description

Minimum Clearance Required Secret

Job ID 2615347

Location San Diego, CA, US

Date Posted 2026-08-06

Category Software

Subcategory SW Engineer

Schedule Full-Time

Shift Day Job

Travel Yes - 10% of the time

Minimum Clearance Required Secret

Clearance Level Must Be Able to Obtain Top Secret

Potential for Remote Work ORA_ON_SITE

Description

SAIC is looking for a Senior Software Engineer for a position located in San Diego, CA. This position needs to be highly experienced in JavaScript, React, Linux (RHEL), and has a strong background in Web Experience. This role requires you to have an ACTIVE SECRET clearance to start.

*This will be an ON-SITE role with expected travel up to 10% throughout the year.*

Job Duties

• The candidate shall perform software engineering design and development activities to produce reliable, modular, and secure software components.
• The work will include development of software on a RHEL OS platform.
• This will include software development with custom C++ based applications, X windows-based applications, and web-based middleware.
• Development will consist of application writing and policy for security accreditations.

Qualifications

• Bachelors and nine (9) years or more experience; Masters and seven (7). Additional years experience accepted in lieu of a degree.
• Must be a U.S. Citizen.
• Must have an Active Secret Clearance.
• Must be able to obtain a Top Secret clearance after start.
• Must have Solid Linux (RHEL) familiarity.
• Must have strong background in front-end technologies, including JavaScript, React, CSS3 and HTML5 and third-party libraries such as React Js, Angular, jQuery and LESS.
• Strong Web experience.
• Industry experience designing, building, and maintaining large scale systems in production.
• Experience working with Nginx or Apache servers with a solid background in Linux.
• Familiarity with DBMS technology, including PostgreSQL, Oracle, MongoDB and MySQL.
• Basic design ability Including knowledge of UI/UX and basic prototype design.
• Excellent understanding of low-level operating systems concepts including multi-threading, memory management, networking and storage, performance, and scale.
• Ability to visualize a proposed system and be able to build it.
• DESIRED SKILLS
• Experience with C++.
• Strong CS fundamentals including data structures, algorithms, and distributed systems.

Target salary range $120,001 - $160,000. The estimate displayed represents the typical salary range for this position based on experience and other factors.