56 sr security software engineer jobs at 23 companies in Saint Cloud, FL

2d
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Principal Engineer Software/Sr Principal Engineer Software (Infrastructure)
Melbourne, Florida, United States
$98k-$148k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
5+ YOEBachelor's in STEM, ability to obtain DoD Secret clearance and special program access, 5+ years software engineering experience, expertise in Linux/Windows, OOP (C++/Java), virtualization, networking, containerization, scripting, and security.
C++, Java, Linux, Windows, Atlassian, Git, Confluence, Kubernetes, VirtualBox, QEMU, KVM, vmWare, Bash, Python, Rust, SELinux, CIPSO, SECMARK, Cisco, Palo Alto, Juniper, NCDSMO
2d
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Principal Engineer Software/Sr Principal Engineer Software (Infrastructure)
Melbourne, Florida, United States
$98k-$184k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
5+ YOESTEM degree plus multi-year software engineering experience; ability to obtain DoD Secret clearance; experience with C/C++ or Java, Linux/Windows, virtualization, networking, automation, and configuration management; DOD 8570 IAT II (Security+) required.
C/C++, Java, Linux, Windows, Atlassian, Git, Confluence, Kubernetes, VirtualBox, QEMU, KVM, vmWare, Bash, Python, SELinux, Cisco, Palo Alto, Juniper, Rust
2w
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Sr. Software Engineer (Contract)
Arlington or Denver or Houston or Merritt Island or United States
RemoteContract
Airbus U.S. Space & Defense
Airbus U.S. Space & DefenseEuronext Paris: AIR: Provides satellite, helicopter, and cybersecurity solutions for U.S. defense.
8+ YOEBachelor's in STEM (Masters preferred). 8 years' experience (6 with Masters) designing and developing embedded/aerospace software. Proficiency in C/C++. US citizenship and ability to obtain government security clearance required.
C, C++
3w
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Software Engineer
Cape Canaveral, Florida, United States
OnsiteFull Time
ManTech
ManTech: Provides technology solutions for defense and intelligence agencies.
5+ YOEBachelor's in CS or STEM (or equivalent experience),5+ years software engineering,3+ years DoD/launch experience,CompTIA Security+ (or obtain within 6 months),ability to obtain Active Secret clearance,web and cloud development skills.
HTML5, CSS3, JavaScript, C#, Python, PostgreSQL, MongoDB, .NET Core, VueJS, Vuetify, WebSockets, Flask, Git, GitLab, GitHub, Visual Studio Code, Power Automate, PowerBI, Jira, Confluence, Mattermost, Amazon Web Services, Nebula, Platform One, Microsoft Office, CI/CD Pipelines, Restful Framework, devcontainers
2mo
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Software Engineer (TS/SCI)
Melbourne, Florida, United States
$92k-$195k/yr OnsiteFull Time
Maxar Intelligence
Maxar Intelligence: Providing satellite imagery and geospatial intelligence for global security.
5+ YOETS/SCI security clearance preferred; Bachelor's in CS/SE/Math/Physics/Engineering; 5+ years software engineering; strong C++; microservices; Git; problem-solving.
C++, Git, Docker, Kubernetes, Linux, CI/CD
1mo
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Senior Security Engineer - Software Engineer
Seattle or Burbank or Orlando
$123k-$182k/yr HybridFull Time
The Walt Disney Company
The Walt Disney CompanyNYSE: DIS: Produces media content and operates global theme parks.
5+ YOE5+ years experience scripting (Python, Bash, PowerShell); experience with OpenSearch/PostgreSQL, IaC (CloudFormation, Terraform, ARM, Google Deployment Manager); Unix/Linux and application security; production software deployment and troubleshooting distributed systems; bachelor's degree or equivalent.
Python, Bash, PowerShell, OpenSearch, PostgreSQL, CloudFormation, Terraform, Azure Resource Manager, Google Deployment Manager, Unix/Linux, GitLab, Jenkins, Kubernetes, Docker, Prometheus, Grafana, ELK stack, YAML, JSON, SOC2, ISO 27001, NIST
4w
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Lead Software Engineer - Snowflake
Orlando, Florida, United States
$148k-$199k/yr HybridFull Time
The Walt Disney Company
The Walt Disney CompanyNYSE: DIS: Produces movies, operates theme parks, and provides streaming services.
7+ YOE7+ years software engineering with deep Snowflake platform expertise, SnowPro certifications, JavaScript/SQL/Python experience, CI/CD and data warehousing skills, strong security/governance and architecture capabilities.
Snowflake, Snowflake Intelligence, Streamlit, Cortex AI, Gen AI, Snowpipe, Snowpark, JavaScript, SQL, Python, Databricks, Azure Synapse, C#, .NET
3mo
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Software Engineer - (Space Domain)
Melbourne, Florida, United States
$135k-$216k/yr OnsiteFull Time
Peraton
Peraton: Provides advanced technology and mission support for government agencies.
8+ YOEBachelor's or Master's with extensive experience in data engineering, Java, and security clearances.
Java, Apache NiFi, MongoDB, REST, GraphQL, Docker, Kubernetes, Git, CI/CD, NetCDF, HDF5, CCSDS
2mo
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Principal Software Engineer
Melbourne, Florida, United States
$134k-$190k/yr OnsiteFull Time
AeroVironment
AeroVironmentNASDAQ: AVAV: Designs and manufactures unmanned aircraft and tactical missile systems.
12+ YOEBachelor’s degree in a related field with 12+ years of experience; strong C++, software architecture, and hardware-integrated systems; leadership experience; travel; ability to obtain a US DoD security clearance.
C++, Kotlin, CMake, Android, Linux, Windows, Docker, FastDDS, gRPC, MQTT, SDK, APIs
1mo
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Software Developer
Colorado Springs or Melbourne
$91k-$162k/yr HybridFull Time
ENSCO
ENSCO: Provides engineering, science and advanced technology solutions for mission-critical operations.
8+ YOEBachelor's degree with 8+ years' relevant experience, Top-Secret/SCI clearance, U.S. citizenship, full-stack AWS development experience, frontend (JavaScript/TypeScript, React/Angular), backend (Java, Python, Node.js), Docker, CI/CD, infrastructure-as-code, and secure coding practices.
AWS, EKS, Lambda, S3, PostgreSQL, CloudWatch, CloudFormation, Terraform, Jenkins, GitLab CI, GitHub Actions, Docker, Spring Boot, Tomcat, JavaScript, TypeScript, React, Angular, Java, Python, Node.js
3w
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Senior Software Engineer - Naval Simulation
Orlando, Florida, United States
OnsiteFull Time
MAK Technologies
MAK Technologies: Develops commercial-off-the-shelf simulation and training software for defense.
5+ YOEBachelor's in CS or related,5-7 years software development,experience with naval/maritime simulation,proficiency in C++, C#, or Java,knowledge of HLA/DIS/SISO,ability to obtain security clearance.
C++, C#, Java, HLA, DIS, SISO, JSAF, Aegis Combat System, GCCS-M, Git
1w
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Senior Software Engineer
Orlando, Florida, United States
OnsiteFull Time
By Light
By Light: Provides IT and technology services to federal government agencies.
10+ YOEBachelor's degree in computer science or related,10+ years experience,proficiency in Python, Java, C/C++,PowerShell,bash,Linux,Jenkins,databases and version control,ability to obtain/hold security clearance.
Python, Java, C/C++, PowerShell, bash, Linux, Jenkins, MySQL, MariaDB, MongoDB, PostgreSQL, NoSQL, SVN, Git, VMWare, Docker, HyperV, Xen, Kubernetes, AD, Exchange, DNS, DHCP, VPN, IIS, Apache
1mo
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Principal Embedded Software Engineer
Melbourne, Florida, United States
OnsiteFull Time
Leonardo DRS
Leonardo DRSNASDAQ: DRS: Manufactures advanced electronic systems for defense and military applications.
8+ YOEBachelor's in a technical discipline, 8+ years embedded software experience, expert C/C++, strong Python, Bare-Metal/FreeRTOS/Embedded Linux experience, familiarity with AMD/Xilinx Zynq UltraScale+ MPSoC or MicroBlaze, device drivers, hardware/software co-design, team leadership, and ability to obtain DOD security clearance (U.S. citizenship requir...
C, C++, Python, Bare-Metal, FreeRTOS, Embedded Linux, AMD/Xilinx Zynq UltraScale+ MPSoC, MicroBlaze, lwIP, Ethernet, TCP/IP
2mo
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Autonomy Software Engineer
Woburn or Arlington or San Diego or Dayton or Melbourne or Carlsbad
$174k-$225k/yr HybridFull Time
Systems & Technology Research
Systems & Technology Research: Develops advanced technology for national security and defense applications.
2+ YOEStrong C++ expertise, systems development and testing, security clearance eligibility, and cross-functional collaboration.
C++, MATLAB, CI/CD, Git, Linux, Windows
1mo
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Senior Embedded Software Engineer (Onsite)
Melbourne or Cedar Rapids
$87k-$165k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
5+ YOESTEM degree and typically 5+ years embedded/SoC software experience (or advanced degree +3 years); proficiency in C/C++, RTOS, boot/driver development, secure boot, hardware bring‑up, and virtual development environments.
C, C++, RTOS, WindRiver VxWorks, FPGA, CI/CD
5d
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Senior Specialist, DevSecOps Cloud Software Engineer (42034)
Melbourne, Florida, United States
OnsiteFull Time
L3Harris Technologies
L3Harris TechnologiesNYSE: LHX: Aerospace and defense providing mission-critical technology solutions.
6+ YOE6+ years cloud/software engineering experience (or 4+ with graduate degree or 10+ without degree). Experience with Docker, Kubernetes/OpenShift, AWS, CI/CD, networking, and security; ability to obtain FAA public trust clearance.
Docker, Kubernetes, OpenShift, AWS, CI/CD
2mo
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Senior Software Engineer, AI Platform
Orlando, Florida, United States
$141k-$223k/yr RemoteFull Time
Fortress Information Security
Fortress Information Security: AI-powered platform for supply chain cybersecurity and risk management.
6+ YOE6+ years backend/platform engineering; strong Python; production experience with distributed systems, AI infrastructure, orchestration, retrieval/RAG architectures, event-driven systems, observability, and secure multi-tenant deployments.
Python, Claude Code, Cursor, LangGraph, Temporal, Celery, vector databases, graph databases, search platforms, Kafka, Pulsar, pg-boss, OpenTelemetry, Prometheus, Grafana
1mo
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Software Engineering Staff
Orlando, Florida, United States
$114k-$227k/yr HybridFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
5+ YOEBachelor's in relevant technical field, 5+ years MBSE experience, demonstrated use of Cameo Systems Modeler/Cameo Enterprise Architecture and SysML, experience integrating models with MATLAB/Simulink and DOORS, familiarity with Git/Subversion, ability to obtain/maintain US government security clearance.
Cameo Systems Modeler, Cameo Enterprise Architecture, MATLAB/Simulink, DOORS, PLM, Git, Subversion, Ansible, GitLab, Nexus, Microsoft PowerShell, Linux, OCL, Active Directory, DO-178C, DO-254, INCOSE MBSE Guide, OMG SysML, ARP 4761
2mo
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Senior DevOps Engineer
Orlando, Florida, United States
OnsiteFull Time
Cole Engineering Services
Cole Engineering Services: Provides advanced simulation and cyber training for military forces
5+ YOE5+ years DevOps/platform engineering experience, ability to obtain CompTIA Security+, hands-on AWS/VMware/Linux/CI/CD/IAAC and scripting experience, plus mentoring and communication skills.
AWS, VMware, Linux, GitLab CI, Terraform, CloudFormation, Ansible, Puppet, Chef, Bash, Python, Kubernetes, RKE2, OpenShift, TKG, VKS, ArgoCD, Flux, Prometheus, Loki, Grafana, Elastic, CloudWatch
1mo
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Staff Engineer
Calgary or Phoenix or Scottsdale or Pittsburgh or Columbus or Orlando or St. Louis or Edmonton or Halifax or Moncton or Ottawa or Toronto or Winnipeg or Vancouver
$200k-$240k/yr RemoteFull Time
ZayZoon
ZayZoon: Provides employees with instant access to their earned wages.
6+ YOE6+ years with Ruby on Rails, strong OO and DDD fundamentals, experience with scale/concurrency/queuing/background processing, AWS/RDS/serverless experience, SQL/ETL/data-warehouse skills, security mindset (OWASP, SOC-2), and experience applying AI to workflows.
Ruby on Rails, AWS, RDS, SQL, OWASP, SOC-2, Domain-driven design (DDD), microservices, serverless, ETL, AI