Rincon Research Corporation: Designs high-performance digital signal processing solutions for defense missions
3+ YOEDegree in EE or applied mathematics, strong DSP background, proficiency in C++/Python on Linux, ability to obtain TS/SCI clearance, US citizenship required.
Sr. Systems Engineer - Systems Engineer II - Modeling Simulation & Analysis Engineer
Tucson, Arizona, United States
$87k-$165k/yrOnsiteFull Time
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
5+ YOEBachelor’s in STEM and 5+ years relevant experience; U.S. citizenship and ability to obtain Interim Secret clearance; experience with C or C++, Python or MATLAB, modeling/simulation of physical systems, and UNIX/Linux/Git.
KomatsuTokyo Stock Exchange: 6301: Manufactures and services construction, mining, and industrial heavy machinery.
7+ YOE7+ years in infrastructure/DevOps/SRE, experience with on-prem and hybrid infrastructure, CI/CD, Linux, networking, security, SRE practices, and field-deployed mission-critical systems.
Digital Signal Processing (DSP) Engineer - Tucson, AZ
Tucson, Arizona, United States
$79k-$237k/yrOnsiteFull Time
ICR: Independent defense and technology research organization focused on signal processing and communications.
3+ YOERequires TS clearance with SCI; BS in Electrical Engineering; DSP, linear algebra; C/C++, Python; Linux; strong problem-solving and communication.
Legion Technical Solutions: Provides specialized engineering and technical services for defense clients.
2+ YOEBachelor's in STEM and minimum 2 years relevant experience; test systems engineering or equivalent; experience with test equipment design/integration; EVMS knowledge; Microsoft Project; Secret clearance.
Earned Value Management System (EVMS), Microsoft Project, Windows, Linux
HexagonNasdaq Stockholm: HEXA B: Provides sensor, software, and autonomous technologies for industrial applications.
5+ YOEEngineering degree or technical diploma,5+ years technical experience,C++ or C# and Python,ability to design/ troubleshoot test hardware,valid passport,able to lift 15kg,strong verbal/written English.
ECSNYSE: ASGN: Provides advanced technology and engineering services to government agencies.
5+ YOETop-Secret clearance eligibility, bachelor’s in computer science or 5+ years network/IT security experience, DoD 8140/8570 IAT Level II certification prior to start, Security+, CCNA (CCNP preferred).
TCPDUMPs, PCAPs, VMware NSX-T Data Center, vSphere, vRealize: Log Insight (vRLI), Network Insight (vRNI), Operations (vROps), Cisco IOS, IOS-XE, NX-OS, Linux, Windows, Extreme VDX Series Switches
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
5+ YOETop Secret/SCI clearance, 5+ years related experience, expertise with STIG/SCAP, Red Hat, VMware/Hyper-V, Windows/Linux administration, ACAS/Nessus, scripting, ITIL processes, and systems integration testing.
DISA STIG, Red Hat, VMware, Windows, ACAS, Nessus, SCAP, Hyper-V, ITIL
GDITNYSE: GD: Delivers IT and mission services to government agencies.
5+ YOERequires US citizenship, active Secret clearance and ability to obtain TS/SCI, DoD 8570 IAT Level III, 5+ years related experience, Windows/Linux/SQL administration, front-end rich-UI development, Visual Studio, installer tools, Intune, and PowerShell.
Microsoft Windows Server, Microsoft Windows 10, Linux, Microsoft SQL Server, Microsoft Visual Studio, WISE Installer, InstallAware, Advanced Installer, Microsoft Intune, Microsoft Azure Active Directory, PowerShell, ActiveClient, Tumbleweed, ApproveIt
Quest Defense: Provides specialized engineering services for aerospace and defense industries.
2+ YOEBachelor's in a STEM field, 2+ years cybersecurity or systems administration experience, experience with NIST SP 800-171 and vulnerability remediation, Windows/Linux administration, strong troubleshooting and communication; U.S. citizenship required.
Senior Software Engineer High Frequency Systems & Communications
San Diego or Fort Huachuca
$150k-$200k/yrHybridFull Time
The Marlin Alliance: Provides digital transformation and automation services to defense agencies.
10+ YOE10+ years software architecture/development and systems integration experience; BS in CS/IT; proficiency in C/C++, Java, Python; Linux/Windows; CI/CD and containerization; Agile and DevSecOps experience; DoD Secret clearance required.
Tucson or Research Triangle Park or San Jose or Austin
$101k-$139k/yrOnsiteFull Time
IBMNew York Stock Exchange: IBM: Global technology providing enterprise software, cloud, and consulting.
Bachelor's degree required; Linux storage administration, Ceph/OpenShift/Kubernetes experience; scripting in Python and Bash and programming in C/C++; troubleshoot, send upstream patches, and collaborate with global teams.
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
2+ YOEHigh school diploma; 1+ yrs Microsoft Windows Server (AD, DFS, Print Services, SCCM); 2+ yrs PC repair, multi-user high-availability troubleshooting, networking (DNS, DHCP, TCP/IP); 1+ yrs IT client/server/network service delivery; OS support (Windows, Mac, Linux).
Microsoft Windows Server, AD, DFS, Print Services, SCCM, DNS, DHCP, SSL, OSI Model, TCP/IP, Windows, Mac, Linux
CaterpillarNYSE: CAT: Manufactures construction equipment, mining machinery, and industrial engines.
Bachelor's in engineering or computer science, experience with autonomous systems and product lifecycle, familiarity with Cat Command, simulation testing, C++/Python and Linux, strong communication and technical leadership.
Software Engineer: Full Stack - Python, Java or JavaScript/TypeScript (TS/SCI Clearance Required)
Alexandria or Chantilly or Englewood or Gaithersburg or Saint Louis or Tucson
OnsiteFull Time
North Point Technology: Technology services and engineering for federal government missions.
Active TS/SCI clearance with polygraph ability, Bachelor's in CS or related, proficiency in Python/Java/JavaScript/TypeScript, cloud (AWS/Azure), containers, CI/CD, databases, and secure coding practices.
Areté: Develops advanced sensing and signal processing solutions for national security.
2+ YOEBS (minimum) in STEM, experience in signal/image processing, computer vision or ML; programming in Python, C, C++, or MATLAB; ability to obtain and maintain TS/SCI clearance; U.S. citizenship and background/DOT drug screening required.
Oracle Utilities CC&B Techno-Functional Lead - 00069612631
Tucson, Arizona, United States
$65k-$90k/yrOnsiteFull Time
CognizantNASDAQ: CTSH: Provides IT consulting and technology services to global enterprises.
Bachelor's in CS/IT/Engineering, strong experience with Oracle Utilities CC&B and OUAF, expertise in SQL/PL-SQL and Oracle Database, Unix/Linux experience, Automic workload automation, knowledge of meter-to-cash processes, strong troubleshooting and communication skills.
Software Engineering Student Assistant - Fall 2026 - ELSYS
Tucson, Arizona, United States
OnsitePart Time
Georgia Tech Research Institute: Performs applied scientific research and engineering for various organizations.
Enrolled bachelor’s student (CS/Engineering/Math/Physics), ≥6 credit hours, 3.0+ GPA, US citizen, able to obtain security clearance; coding with Python/C++/Java and familiarity with containers and networking preferred.