Jobs in the United States

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Added 19 mins ago
O
Lead Principal Software Development Engineer
Oracle
Dover, DE
- $135,200 to $306,400 USD / year
As a Sr. Principal Software Development Engineer in the Oracle Cloud Infrastructure (OCI) Core Platform division, you will play a critical leadership role in the architecture, evolution,…
Added 2 hours ago
VI
Embedded Software Engineer, Viasat Government
Viasat, Inc.
Carlsbad, CA · Tampa, FL · Linthicum Heights, MD · Tempe, AZ
- $174,000 to $261,000 USD / year
This is a role for a Embedded Software Engineer who is eager to contribute to a small, fast-paced team. You will develop software to support encrypted communications systems including Layer…
Added 3 hours ago
Sr Software Engineer - Airborne Radar Systems, Onsite
RTX
United States
Sensors: Space and Air division in El Segundo, CA is seeking a Senior Software Engineer [Embedded / Radar] to be part of their product development teams for the Airborne Radar Systems group…
Added 4 hours ago
O
Lead Principal Software Development Engineer
Oracle
Honolulu, HI
- $135,200 to $306,400 USD / year
As a Sr. Principal Software Development Engineer in the Oracle Cloud Infrastructure (OCI) Core Platform division, you will play a critical leadership role in the architecture, evolution,…
Added 4 hours ago
ST
Senior Embedded Software Engineer
Silvus Technologies, Inc.
Los Angeles, CA
- $140,000 to $200,000 USD / year
Silvus is seeking a full-time Senior Embedded Software Engineer to join our Engineering Group, reporting to the Director of Software Engineering. The successful individual in this role will…
Added 4 hours ago
ST
Senior Embedded Security Engineer
Silvus Technologies, Inc.
Los Angeles, CA
- $140,000 to $200,000 USD / year
Silvus is seeking a Senior Embedded Security Engineer who will report to the Director of Software Engineering on the Software Engineering team. The successful individual in this role will…
Added 4 hours ago
ST
Embedded Software Engineer
Silvus Technologies, Inc.
Los Angeles, CA
- $38.46 to $52.88 USD / hour
Silvus is seeking an Embedded Software Engineer who will participate in the development of Silvus’ MANET radios and advanced research projects. This position reports to the Director of…
Added 4 hours ago
FPGA Electrical Design Engineer II (Onsite)
RTX Corporation
tucson, AZ
An Electrical Engineer II in the Effector Digital Products Department will develop FPGA designs for all major vendors and device families including: Xilinx, Intel, Microchip, and Lattice.…
Added 4 hours ago
FPGA Electrical Design Engineer I (Onsite)
RTX Corporation
tucson, AZ
An Electrical Engineer I in the Effector Digital Products Department will develop FPGA designs for all major vendors and device families including: Xilinx, Intel, Microchip, and Lattice.…
Added 4 hours ago
A
AI / Machine Learning Engineer
Actalent
Tucson, AZ
- $80 to $100 USD / hour
This AI / Machine Learning Engineer role focuses on designing, developing, and deploying advanced machine learning and deep learning solutions for EO/IR imagery and sensor exploitation. You…
Added 5 hours ago
O
Principal Core Infrastructure Engineer
Oracle
Nashville, TN
- $114,600 to $234,600 USD / year
As a Principal Software Engineer, you will lead the design and development of FastConnect control plane services that manage a globally distributed fleet of networking infrastructure. You…
Added 6 hours ago
2027 Entry Level DSP & SDR Engineer
The Aerospace Corporation
Chantilly, VA
Familiarity with programming and interfacing with linux-based systems including SDRs, FPGAs, laboratory equipment, and other embedded devices for custom applications with real world…
Added 6 hours ago
Embedded Software Engineer
L3Harris Technologies
Camden, NJ
Job Title: Member Engineering Staff - Embedded Software Engineer
Added 6 hours ago
BR
Radar Perception Engineer
Blue River Technology
Remote, United States
- $131,000 to $228,000 USD / year
We are seeking a talented Radar Perception Engineer to join our team to develop and optimize the Radar Perception stack. You will play a critical role in enabling robust autonomy for our…
Added 7 hours ago
Software Engineer Sr - E3
Lockheed Martin
Rockville, MD · Rockville
Software development experience and proficiency in C++, Linux, and Python
Added 7 hours ago
IT Infrastructure Field Engineer Level 5
Northrop Grumman
Honolulu
…spirit to our collaborative teams. As an Infrastructure Field Engineer Level 5 located in Honolulu, Hawaii you’ll be a linchpin in missions of paramount importance, defining the art of the…
Added 7 hours ago
Consulting Embedded Software Engineer
Northrop Grumman
Baltimore
Northrop Grumman Mission Systems (NGMS) is seeking a Consulting Embedded Software Engineer to join our innovative Software and Digital Technologies Organization. This position is located in…
Added 7 hours ago
Consulting Embedded Software Engineer
Northrop Grumman
Baltimore
Northrop Grumman Mission Systems is seeking a Consulting Embedded Software Engineer to join our team of qualified and diverse individuals. This position supports the Radar Advanced Product…
Added 7 hours ago
Senior Software Engineer
KBR Wyle Services, LLC
Redstone Arsenal, AL
Experience with embedded software development and/or real-time Linux environments.
Added 7 hours ago
Principal Embedded Software Engineer
Silvus Technologies, Inc.
Los Angeles, CA
Silvus is seeking a Principal Embedded Software Engineer, who will report to the Director of Software Engineering on our Software Engineering team. The successful individual in this role…
Added 7 hours ago
Principal Embedded Software Engineer
Silvus Technologies, Inc.
Los Angeles, CA
Silvus is seeking a Principal Embedded Software Engineer, who will report to the Director of Software Engineering on our Software Engineering team. The successful individual in this role…
Added 8 hours ago
Director of Flight Software
Singularity Defense Corp.
Gardena, CA
…Jetson flight computers. This includes real-time software, embedded Linux platforms, hardware interfaces, flight management, onboard autonomy, and integration of guidance, navigation,…
Added 8 hours ago
ESX Engineer
VMware LLC
Promontory B, CA
Strong understanding of kernel-level OS architectures such as Linux, Unix, Solaris, BSD-like systems, embedded real-time Operating Systems.
Added 8 hours ago
O
Lead Principal Core Infrastructure Engineer
Oracle
Nashville, TN
- $146,300 to $306,400 USD / year
As a Lead Principal Core Infrastructure Engineer on Oracle's Strategic Customer Engineering team, you will play a critical role in driving complex technical initiatives across Oracle Cloud…
Added 8 hours ago
O
Senior Core Infrastructure Engineer
Oracle
Nashville, TN
- $79,200 to $209,500 USD / year
As an engineer on the Strategic Customer Engineering team plays a critical role in aligning technical details across various service teams, collaborating with cross-functional stakeholders,…

L3Harris

Specialist, Information Security Systems Engineer

Greenville, TX, United States

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Job details

Posting language: English
Posted: Sep 23, 2026

Original job description

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.

L3Harris is the Trusted Disruptor in defense tech. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

Job Title: Specialist, Information Security Systems Engineer

Job Code: 44711

Job Location: Greenville, TX

Schedule: 9/80 - Employees work 9 out of every 14 days – totaling 80 hours worked – and have every other Friday off

Job Description:

L3Harris is seeking a software engineer with a passion for cyber security. In this role, the selected candidate will design, develop, integrate, and maintain software applications that implement defensive cyber security capabilities. This includes supporting technologies and mechanisms such as multi-factor authentication, audit review, endpoint protection, encryption, vulnerability analysis, and security management.

The candidate will work closely with software developers, systems engineers, and commercial product vendors to design and evaluate secure systems, networks, and database solutions. This role is responsible for integrating multiple cyber security methods into a cohesive system security architecture and environment, while supporting the policies and procedures required to monitor and maintain that environment.

Essential Functions:

Design, develop, integrate, test, and maintain software applications that support defensive cyber security capabilities.
Be able to install, configure, use, and troubleshoot industry standard tools and technologies such as Splunk, Elastic, Tenable, NetApp Ontap Storage, Windows Active Directory, Redhat Linux Enterprise Server & Workstation, OpenShift, Kubernetes.
Proficient in a variety of scripting frameworks such as YAML, Java, Python, Ansible, Bash, SQL, PowerShell.
Proficient in CI/CD tools such as GitLab Enterprise with excellent software configuration management skills.
Collaborate with systems developers, software engineers, and commercial vendors in the evaluation and integration of secure products and technologies.
Support the design and assessment of secure systems, networks, and database products.
Integrate multiple cyber security controls into a unified and effective security architecture.

Qualifications:

Active US Top Secret/SCI security clearance, with continuous evaluation within the last 5 years.
Bachelor’s Degree and minimum 4 years of prior relevant experience.
Graduate Degree and a minimum of 2 years of prior related experience.
In lieu of a degree, a minimum of 8 years of prior related experience.
Demonstrated experience Designing, developing, integrating, testing, and maintaining software applications that support defensive cyber security capabilities.

Preferred Additional Skills

Experience assessing security and privacy controls in embedded systems using NIST 800-53.
Knowledge of ISR aircraft systems and subsystems.
Prior leadership experience with Agile methodologies (e.g., Scrum Master, Product Owner).
Experience with systems engineering standards and best practices.
Password management (Keepass, Ansible vaults, Kubernetes secret storage), SAST/DAST, container scanning.
C+

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Tensorflow
VmWare Cloud Foundation
ETL Data pipelines
IDS/IPS
UAM
Security

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Experience in Risk Management Framework (RMF) accreditation and authorization (A&A) processes to include RMF steps 1-4 (categorization, controls selection, control implementation, security assessment) and standard body of evidence (BoE) package development.

L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law.

Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information.

By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions.

L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English (https://www.e-verify.gov/sites/default/files/everify/posters/EVerifyParticipationPoster.pdf) or Spanish (https://www.e-verify.gov/sites/default/files/everify/posters/EVerifyParticipationPoster.pdf) . For information regarding your Right To Work, please click here for English (https://www.eeoc.gov/sites/default/files/2022-10/22-088_EEOC_KnowYourRights_10_20.pdf) or Spanish (https://www.eeoc.gov/sites/default/files/2022-10/22-088_EEOC_KnowYourRightsSp_10_20.pdf) .

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More about this job

Skills

Cybersecurity
Symantec Endpoint Protection
Troubleshoot
Splunk
Microsoft Windows
Microsoft Active Directory
Linux
Red Hat OpenShift
Kubernetes
Oracle Java
Python
Ansible
Bash
SQL
Microsoft PowerShell
CI/CD
GitLab
Leadership
Agile
TensorFlow
VMware
Data engineering
IDS
IPS
Risk management

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