118 security software engineer jobs at 64 companies in Chester, PA

PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
1mo
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Software Engineer - Senior (contingent 045)
Aberdeen Proving Ground, Maryland, United States
OnsiteFull Time
Systems Products and Solutions
Systems Products and Solutions: Provides aviation and ground sustainment services for defense agencies.
7+ YOESenior software engineer with DoD experience, specializes in biometric systems, secure coding, and Agile/DevSecOps.
Android, CI/CD, DevOps, DevSecOps, Security, Encryption
1mo
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Software Engineer - Senior (contingent 045)
Aberdeen Proving Ground, Maryland, United States
OnsiteFull Time
Systems Products and Solutions: Provides logistics and technical services to defense agencies.
7+ YOESenior software engineer with DoD biometric systems experience; security clearance required; Agile/DevSecOps; Android apps; cybersecurity.
Android, DevOps, DevSecOps, CI/CD, Security testing, Encryption
2mo
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Software Engineer for Security and Platform Services
Mount Laurel, New Jersey, United States
$91k-$172k/yr HybridFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
2+ YOEBS in Computer Science/Engineering/Information Sciences required, 2+ years software development experience, proficiency in Java and/or C++, Linux development, software design/testing, ability to obtain Secret clearance and travel occasionally.
Java, C++, Linux, JIRA, GitLab, Jenkins, Maven, Ansible, Robot, Git, Bitbucket, Artifactory, Kubernetes, Rancher, Docker, Podman, SysML, UML
1mo
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Senior Software Engineer
Arlington or Mount Laurel or San Diego or Fall River
$135k-$273k/yr HybridFull Time
Innovative Defense Technologies
Innovative Defense Technologies: Develops automated software and systems to rapidly deliver mission-critical capabilities to U.S. government customers.
7+ YOEBachelor's degree or equivalent, 7+ years software engineering experience, able to obtain/maintain Secret U.S. security clearance, experience leading/mentoring, expertise in SDLC, OOP, distributed systems, secure coding, testing, and integration.
SDLC, Service-Oriented Architecture (SOA), AI, Generative AI
2w
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Senior Software Engineer
Aberdeen, Maryland, United States
$90k-$198k/yr OnsiteFull Time
CGI
CGINYSE: GIB: Provides information technology and business consulting services.
10+ YOE10+ years software engineering experience in Defense, BA/BS or equivalent experience, proficiency with C++, Java, Python, C#, secure coding and Defense standards, DoD cybersecurity certification preferred.
C++, Java, Python, C#, Git, SVN, CI/CD, automated testing tools
1mo
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Lead Software Engineer
Newark, Delaware, United States
$128k-$201k/yr OnsiteFull Time
Hologic
HologicNASDAQ: HOLX: Develops medical technology for women's healthcare and diagnostics.
6+ YOE6+ years software engineering experience building cloud and edge systems; experience in regulated environments, secure development practices, QMS familiarity, AI integration, Agile and version control proficiency; degree in CS/SE/STEM.
Microsoft Azure, Google Cloud Platform (GCP), Agile
4d
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Distinguished Engineer - AI Security
Johnston or Pittsburgh or Irving or Phoenix or Franklin or Charlotte or Cleveland or Boston or Iselin or Philadelphia or Chicago
$175k-$250k/yr OnsiteFull Time
Citizens Financial Group
Citizens Financial GroupNYSE: CFG: Provides retail, commercial, and private banking services to customers.
10+ YOE10+ years in software/platform/security/data engineering; strong Python and Linux scripting; AWS and cloud security experience; CI/CD and large-scale distributed systems expertise; bachelor's degree required.
Python, Bash, AWS, Linux, Jenkins, CircleCI, GitHub Actions, Kubernetes
3mo
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Lead Software Engineer
Plano or Wilmington
OnsiteFull Time
JPMorgan Chase
JPMorgan ChaseNYSE: JPM: Global financial services firm providing banking and investment solutions.
5+ YOE5+ years software engineering experience; microservices with Python, Docker, Kubernetes; SDLC, CI/CD, security; mentoring; AWS and ML/AI tooling.
Python, Docker, Jenkins, Python-Streamlit, SQL, JSON, Kubernetes, AWS EMR, AWS EC2, AWS RDBMS, PostgreSQL, Oracle, Apache Spark, Pyspark, TensorFlow, GitHub Copilot
1mo
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Software Engineer I
Moorestown, New Jersey, United States
OnsiteFull Time
Data Intelligence
Data Intelligence: Provides engineering and cybersecurity solutions for federal government clients.
0+ YOEBachelor’s degree in engineering or computer science; 0-2 years software development; strong problem-solving; team player; US citizen with interim or active security clearance (secret or higher).
1mo
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Radio Services Software Engineer
Aberdeen Proving Ground, Maryland, United States
$150k-$174k/yr OnsiteFull Time
Sigmatech
Sigmatech: Provides specialized engineering, technical, and programmatic support for government agencies.
10+ YOEBachelor's in CS/SE (or equivalent experience), 10+ years software engineering with 3+ years on DoD communications, proficiency in C++, Java, or Python, secure coding and networking protocols knowledge, active DoD Secret clearance.
C++, Java, Python, VENOM, Agile, DevSecOps
1w
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Principal Software Engineer
Moorestown, New Jersey, United States
$128k-$218k/yr OnsiteFull Time
ASRC Federal
ASRC Federal: Provides engineering and IT services to federal government agencies.
8+ YOEAbility to obtain security clearance, 8+ years software development experience in real-time/embedded environments, proficiency with Java/C++/Python, Linux/UNIX, Agile, and IDEs such as Eclipse.
Java, C++, Python, Linux, UNIX, Eclipse, Clearcase, JIRA, xUnit, Junit, CPPUnitLite, UML
3w
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Senior Software Engineer
Lake Forest or Houston or Philadelphia
$124k-$207k/yr HybridFull Time
AVEVA
AVEVA: Industrial software for engineering and operational performance management.
Strong software development in C# (.NET) or Node.js; hands-on Microsoft Azure cloud experience; CI/CD, DevOps, container experience; knowledge of cloud architecture, networking, and secure development practices.
Microsoft Azure, C#, .NET, Node.js, CI/CD
1mo
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Senior Security Engineer
Hamilton, New Jersey, United States
$175k-$200k/yr OnsiteFull Time
Rockefeller Capital Management
Rockefeller Capital Management: Provides wealth management and financial advisory services to clients.
8+ YOE8+ years engineering experience in security, systems, and software; deep networking and OS knowledge; expertise in identity & access, encryption, application security, and cloud/AI security; familiarity with NIST/MITRE/CSA/CIS.
Azure, AWS, GCP, Python, PowerShell, Bash, Terraform, GitHub, SIEM, SOAR, CI/CD, OAuth, OpenID, NIST, MITRE, CSA, CIS, Windows, Linux, Unix, AI/ML
2mo
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Software Applications Engineer
Aberdeen Proving Ground, Maryland, United States
$115k-$130k/yr HybridFull Time
Entarian
Entarian: Provides mission-critical engineering and technology solutions for government agencies.
5+ YOEDoD Secret clearance; BS in computer science or related field; 5+ years in software applications engineering; strong .NET/C#, MudBlazor, HTML/CSS/JavaScript; API development; Azure/DevOps; security+; hybrid role near Aberdeen Proving Ground, MD.
C#, .NET, MudBlazor, HTML, CSS, JavaScript, OpenXml, ASP.NET Core, Entity Framework Core, SQL, Azure, DevOps, OpenID Connect, OAuth 2.0, Microsoft Entra ID
2mo
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Software Engineer
Aberdeen, Maryland, United States
$85k-$190k/yr OnsiteFull Time
LufCo
LufCo: Provides specialized engineering and analytic services for defense missions.
Open to all levels; Go, APIs, distributed systems, back-end focus; security-aware; must provide code portfolio link.
Go, Docker, PostgreSQL, MySQL, MongoDB, REST, Git
5d
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AI Security Automation Engineer-Officer
Quincy or Toronto or Princeton or Clifton or Austin or Berwyn or Boston
$70k-$119k/yr HybridFull Time
State Street
State StreetNYSE: STT: Provides investment servicing and management to institutional investors.
1+ YOEExperience building production Generative AI/LLM solutions, cloud-native software engineering, RAG and semantic search, and 1+ years professional software/AI experience; strong communication and secure coding practices.
Python, JavaScript, TypeScript, Rust, Go, Bash, PowerShell, LangGraph, Semantic Kernel, CrewAI, AutoGen, LangChain, Spark, Kafka, Delta Lake, Iceberg, Airflow, AWS, Azure, GCP
2mo
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Software Engineer - RF Electronic Warfare Systems
Aberdeen Proving Ground, Maryland, United States
$112k-$179k/yr OnsiteFull Time
Peraton
Peraton: Provides advanced technology and mission support for government agencies.
5+ YOE RF EW concepts, software-defined radios, Python/MATLAB/C+/VHDL, Linux, security clearance required.
Python, MATLAB, C+, VHDL, GNU Radio, Linux, Software-Defined Radios
1mo
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Principal Software Engineer, Field Engineering
Aberdeen Proving Ground, Maryland, United States
$160k-$220k/yr OnsiteFull Time
Raft
Raft: Builds AI and data platforms for U.S. national defense.
5+ YOE5+ years hands-on software engineering; active Secret clearance; backend Go/Java/Rust; DevSecOps; Kubernetes; Bash/Python; Army-domain knowledge; customer-facing; Security+ readiness; willing to relocate to APG.
Go, Java, Rust, Kubernetes, Helm, CI/CD, Infrastructure as Code, Bash, Python, RMF
3mo
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Senior Software Developer
Aberdeen, Maryland, United States
$104k-$181k/yr OnsiteFull Time
Parsons
ParsonsNYSE: PSN: Provides engineering and technology services for infrastructure and defense.
5+ YOEDesign, develop, and implement software across multiple languages; lead components; troubleshoot; mentor and guide developers; ensure secure, maintainable results. Must be a US citizen with SECRET clearance.
Python, C++, Java, C#, Go, Docker, Kubernetes, CI/CD
2w
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Senior Cyber Security Engineer (DevSecOps)
New York or Dallas or Boston or Minneapolis or Wayne
$150k/yr OnsiteFull Time
ECI
ECI: Managed IT and cybersecurity services for financial institutions.
2+ YOE2+ years professional software experience, strong Python development, Elastic Stack, CI/CD, infrastructure-as-code, Git, Docker/Kubernetes, and security detection/response knowledge.
Python, Elastic Stack, Elasticsearch, Logstash, Beats, Kibana, Terraform, Ansible, Git, GitHub, Docker, Kubernetes, SIEM, Splunk, Microsoft Sentinel, SOAR, MISP, Sigma, AWS, Azure, MITRE ATT&CK