Algorithm Software Engineer
Company: Leidos
Location: San Diego
Posted on: April 2, 2026
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Job Description:
Today, Electronic Warfare is a growing enterprise - protecting
the warfighter and our national security against ever-adapting
threats. Our EW division currently has an exciting opportunity for
an Algorithm Software Engineer to perform design, development, and
hardware/software integration in San Diego, CA for the Electronic
Warfare Division. Leidos is a DOD leader in electronic design and
chiplet manufacture. Our division primarily focuses on research &
development and advanced prototyping, transforming state-of-the-art
processing algorithms into real-time software systems. Projects
involve small multi-disciplinary teams of engineers working
together in spiral or agile development environments to meet
aggressive customer schedules aimed at near-term field
demonstrations. Leidos utilizes its proprietary design methodology
for hardware software co-design to manufacture custom SoC and IP
for high performance applications. In this role, the Algorithm
Software Engineer will develop and deploy cutting edge signal
processing applications to improve the capabilities of the
warfighter in modern electronic warfare environments. This role
requires understanding signal processing algorithms and deploying
them to massively parallelized pipelines executed to meet extreme
real-time requirements on Leidos SoCs. The Algorithm Software
Engineer is responsible for interfacing with a diverse set of
engineers from signal processing, embedded, and RF teams. Join a
team of experts in implementing high-performance signal processing
on custom system-on-chip (SoC) hardware and building the tools that
enable analysis, rapid prototyping, and deployment of cutting-edge
algorithms. The successful candidate will be responsible for:
Contributing to design and development of advanced systems as a
part of multi-disciplinary teams. These teams are made up of other
software team members and subject matter experts from the areas of
systems engineering, hardware, firmware, RF front end design, and
signal processing. Designing, implementing, and testing C
applications in a real-time environment Understanding and analyzing
signal processing algorithms developed in MATLAB Porting signal
processing algorithms from MATLAB, Python, or C++ to C in a
multi-core environment on Leidos SoCs Optimizing C code for DSP
applications (i.e. leveraging SIMD, VLIW, or hardware accelerators)
and parallel processing to achieve real-time requirements
Developing Hardware-in-the-loop (HITL) tests to validate signal
processing algorithms Clearly communicating technical details of
software to internal and external engineers Supporting system field
testing and collection events, usually about a week in duration
once or twice a year At Leidos we value passion for learning. If
you believe you have what it takes to succeed in this role and are
eager to learn, we encourage you to apply. The successful candidate
will have the following basic education/experience: Bachelor’s
Degree in Computer Engineering, Electrical Engineering, or Computer
Science 8 years of software development experience, including
strong experience in C/C++ software development for embedded
systems Understanding of linear algebra and probability Strong
understanding of basic signal processing (e.g. Fourier transforms,
filtering, complex arithmetic) Understanding of hardware-software
interaction and basic computer architecture Experience in MATLAB
and signal processing algorithms Experience with build tools such
as GCC, CMake, or Make Experience using version control (e.g. git,
Subversion, etc.) and continuous integration software tools (e.g.
Jenkins) Experience with software testing tools and methodology
Experience in creating and maintaining technical documentation for
developed software Ability to communicate and share ideas,
concepts, and designs with a team of engineers Comfortable working
in Linux development environments Demonstrated ability and
motivation to continually learn new technical skills and concepts
Must have active Secret level security clearance with the ability
to obtain a TS/SCI. Bonus education/experience: Master’s Degree in
Computer Engineering, Electrical Engineering, Computer Science, or
equivalent and 6 years of experience Active security clearance at
the Secret level or higher Experience with other programming
languages such as MATLAB, or equivalent OOP language Experience
with parallel processing (e.g. SIMD, VLIW, distributed computing)
Experience with RF signal processing or related applications
Experience maintaining, tracking, and updating ticket/status using
Gitlab or similar interface If you're looking for comfort, keep
scrolling. At Leidos, we outthink, outbuild, and outpace the status
quo — because the mission demands it. We're not hiring followers.
We're recruiting the ones who disrupt, provoke, and refuse to fail.
Step 10 is ancient history. We're already at step 30 — and moving
faster than anyone else dares. Original Posting: March 5, 2026 For
U.S. Positions: While subject to change based on business needs,
Leidos reasonably anticipates that this job requisition will remain
open for at least 3 days with an anticipated close date of no
earlier than 3 days after the original posting date as listed
above. Pay Range: Pay Range $107,900.00 - $195,050.00 The Leidos
pay range for this job level is a general guideline only and not a
guarantee of compensation or salary. Additional factors considered
in extending an offer include (but are not limited to)
responsibilities of the job, education, experience, knowledge,
skills, and abilities, as well as internal equity, alignment with
market data, applicable bargaining agreement (if any), or other
law.
Keywords: Leidos, Bellflower , Algorithm Software Engineer, IT / Software / Systems , San Diego, California
