54 sr security software engineer jobs at 32 companies in Winter Haven, FL
1w
Save
Mark Applied
Hide
Sr. Engineer, Software Development
Birmingham or Los Angeles or San Francisco or New York City or Miami or Tampa or Blue Ash or Cincinnati
$121k-$173k/yr HybridFull Time
5+ YOE5+ years software engineering experience with secure API/microservice development, cloud (Azure) experience, observability, Git/DevOps, and fintech security/compliance knowledge.
C#, .NET, SQL, Azure, APIM, Azure SQL, Cosmos DB, Key Vault, Service Bus, Event Hubs, Datadog, Grafana, Git
2w
Save
Mark Applied
Hide
Senior Lead Software Engineer - ML Engineer for Agent Platform
Jersey City or Tampa or Austin or Plano
$171k-$260k/yr OnsiteFull Time
5+ years applied software engineering experience; strong Python and Go/Rust; experience with runtimes, distributed systems, secure execution, LLM/agent systems, CI/CD, and cloud-native production deployments.
Firecracker, Kata, gVisor, Model Context Protocol (MCP), OpenFGA, OPA, Rego, Python, Go, Rust, Terraform, Docker, Kubernetes, LLM
1mo
Save
Mark Applied
Hide
Senior Security Engineer - Software Engineer
Seattle or Burbank or Orlando
$123k-$182k/yr HybridFull Time
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
Save
Mark Applied
Hide
Lead Software Engineer - Snowflake
Orlando, Florida, United States
$148k-$199k/yr HybridFull Time
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
3w
Save
Mark Applied
Hide
Senior Software Engineer
Tampa, Florida, United States
RemoteFull Time
8+ YOEBachelor's or equivalent, 8+ years software development, expert in modern languages, containers, IaC, security tooling, observability, cloud platforms, and Agile leadership.
Java, C#, Python, Go, JavaScript/TypeScript, Docker, Kubernetes, Terraform, Pulumi, ARM, CloudFormation, OWASP, SAST, DAST, Dynatrace, Prometheus, Grafana, ELK, AWS, Azure, GCP, Jira, Azure DevOps, GitHub Projects, Vault, AWS KMS, JMeter, Locust, YourKit, Jaeger, Zipkin, Istio, Linkerd
3w
Save
Mark Applied
Hide
Senior Software Engineer - Naval Simulation
Orlando, Florida, United States
OnsiteFull Time
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
Save
Mark Applied
Hide
Senior Software Engineer
Orlando, Florida, United States
OnsiteFull Time
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
2w
Save
Mark Applied
Hide
Principal Software Engineer - Appian
Tampa or Alabama or Arizona or Colorado or Florida or Georgia or Idaho or Indiana or Louisiana or Maryland or Mississippi or Missouri or North Carolina or Ohio or Oklahoma or Pennsylvania or South Carolina or Tennessee or Texas or Utah or Virginia
$119k-$164k/yr RemoteFull Time
6+ YOEDeep Appian expertise (5+ years), Bachelor\u0002s plus 6+ years related experience or equivalent, strong Appian SAIL, BPM, integrations, SQL, security, performance, Agile, and technical leadership skills.
Appian, Appian RPA, Appian Designer, Appian Cloud, Java, MS SQL Server, HTML, CSS, Bootstrap
1w
Save
Mark Applied
Hide
PHP Software Developer
Tampa or United States
RemoteFull Time
5+ YOEU.S. citizenship, minimum T3 clearance or ability to obtain, Bachelor\u0002s degree, 5+ years full-stack/application development, strong PHP and RESTful API experience, DevSecOps/Agile, secure coding and SAST tools.
PHP, Fortify, Sonatype, BurpSuite
1mo
Save
Mark Applied
Hide
Full Stack Software Engineer
Tampa, Florida, United States
OnsiteFull Time
5+ YOE5+ years professional software development experience; proficiency with .NET C#, Node.js/TypeScript, Python, React, REST APIs, unit/integration testing; Git/GitHub or GitLab and CI/CD experience; CompTIA Security+ (or obtain within 90 days); US citizenship and active secret clearance with ability to obtain TS/SCI.
TypeScript, Node.js, Python, GitHub Actions, GitLab CI/CD, .Net C#, React, REST APIs, Jest, Mocha, PyTest, GitHub, GitLab
2mo
Save
Mark Applied
Hide
Lead AI/ML Software Engineer
Boston or Colorado Springs or McLean or Oahu or Remote or Tacoma or Tampa
$180k-$230k/yr RemoteFull Time
6+ YOE6+ years in full-stack production software; distributed systems; Kubernetes and cloud-native platforms; security and compliance knowledge; top-secret clearance eligibility.
Kubernetes, Cloud, Kafka, Apache Flink, Python, Java, Go, Docker, Git, CI/CD, ML tooling
2mo
Save
Mark Applied
Hide
Senior Software Engineer, AI Platform
Orlando, Florida, United States
$141k-$223k/yr RemoteFull Time
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
3w
Save
Mark Applied
Hide
Software Developer
Tampa, Florida, United States
$100k-$125k/yr OnsiteFull Time
6+ YOE6+ years IT experience with 4+ years in cyber-security; threat modeling, vulnerability identification (CWE/OWASP), scripting, IaC (Terraform/CloudFormation), CI/CD, Jira, Docker/K8s, architecture review; cloud and security certifications preferred.
Python, STRIDE, PASTA, Attack trees, ATT&CK, CWE, OWASP, Terraform, CloudFormation, Cloud Development Kit (CDK), GitOps, Jira, docker, K8S, helm, Snowflake, MongoDB, Terraform Cloud, GitHub, Databricks, CICD
1mo
Save
Mark Applied
Hide
Software Engineering Staff
Orlando, Florida, United States
$114k-$227k/yr HybridFull Time
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
1mo
Save
Mark Applied
Hide
Project Engineer
Tampa, Florida, United States
OnsiteFull Time
5+ YOEBS in engineering or related field required, 5+ years' experience, U.S. citizenship required, eligible for DoD personal security clearance, experience leading hardware/software projects, familiarity with SAFe and program management tools, ability to travel.
SAFe (Scaled Agile Framework for Enterprise), Microsoft Project, Microsoft Office, JIRA, Microsoft SharePoint, GitHub, Jenkins, Visual Studio, Docker, Hyper-V, VMware, Windchill PLM, Creo, Solidworks, AutoCAD, Microstation
2w
Save
Mark Applied
Hide
Lead Blockchain Engineer
Jersey City or Tampa or Coppell or Boston or Texas
$75k-$150k/yr HybridFull Time
5+ YOE5+ years software engineering experience, 3+ years Rust, 2+ years smart-contract experience; strong blockchain security, CI/CD, automated testing, and cryptography knowledge.
Rust, Soroban, Stellar, Solana, Playwright, Selenium, Cypress, Postman, CI/CD
1mo
Save
Mark Applied
Hide
Senior Resident Solutions Engineer
Washington or Tampa
$185k-$205k/yr OnsiteFull Time
6+ YOEActive security clearance, CompTIA Security+, 6+ years developing production software in regulated environments, proficiency in Python, API integrations, networking fundamentals, and willingness to travel up to 50%. Must reside in Tampa, FL or Washington, DC and work onsite five days/week.
Axonius API, Python, HTTP, HTTPS, LDAP, LDAPS, JSON, CSV, SQL, NoSQL, CI/CD, Bash, PowerShell
2mo
Save
Mark Applied
Hide
Senior DevOps Engineer
Orlando, Florida, United States
OnsiteFull Time
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
2mo
Save
Mark Applied
Hide
Senior Backend Engineer (Remote Opportunity
Tampa, Florida, United States
RemoteFull Time
8+ YOE8+ years backend engineering; Java, Spring Boot; REST APIs; SQL; security; CI/CD; Agile; government clearance ability.
Java, Spring Boot, REST, SQL, CI/CD, Git, Microservices
1mo
Save
Mark Applied
Hide
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
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