38 application security jobs at 18 companies in Smyrna, DE

2w
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Senior Application Security Architect
Quincy or Princeton or Berwyn or Clifton or Austin
$120k-$203k/yr HybridFull Time
State Street
State StreetNYSE: STT: Provides investment servicing and management to institutional investors.
14+ YOEDesign and review secure architectures for applications, APIs, cloud-native and AI systems; conduct threat modeling and risk assessments; embed secure-by-design, DevSecOps, and AI security practices.
Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), Kubernetes, CI/CD, DevSecOps, Infrastructure as Code (IaC), SAST, DAST, IAST, software composition analysis (SCA), OWASP Top 10
1mo
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Application Administrator III
Folsom, New Jersey, United States
$98k-$157k/yr HybridFull Time
South Jersey Industries
South Jersey Industries: Distributing natural gas and developing clean energy infrastructure.
3+ YOEWorkday financials/integrations expertise (EIB, Studio, XSLT, RaaS, O4I, SOAP), 3+ years relevant experience (or 5 with bachelor's), strong analytical, reporting, security administration, testing, and communication skills.
Workday, Workday Financial Management, EIB, XML, XSL, XSLT, Studio, RaaS, O4I, SOAP, Report Writer, Cloud Connect
1mo
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Lead Security Officer
Wilmington or New Castle or Newark
$22/hr OnsiteFull Time, Part Time
Securitas
SecuritasNasdaq Stockholm: SECU B: Provides protective services including guarding and electronic monitoring.
No prior experience required; must pass drug screen and background check, meet applicable state/county/municipal security licensing, have strong customer service skills, and perform routine patrol and reporting duties.
4w
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Security Shift Manager
Perryville, Maryland, United States
$50k-$55k/yr OnsiteFull Time
PENN Entertainment
PENN EntertainmentNASDAQ: PENN: Operates casinos, racetracks, and online sports betting platforms.
4+ YOEMust be 21+, bachelor\u0002s degree or 4 years casino security/military/police experience, comprehensive knowledge of security protocol, proficient in Microsoft applications, strong organizational and communication skills, able to obtain Maryland Lottery License.
Microsoft applications
2w
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Security Officer Retail (Walgreen)
Wilmington, Delaware, United States
$17/hr OnsitePart Time
Allied Universal
Allied Universal: Provides professional security, janitorial, and facility management services.
1+ YOEMinimum 1 year security experience, high school diploma or equivalent, age requirement (21+ noted), background check and drug screen required; licensing per state where applicable.
1w
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Cyber Security Engineer
Aberdeen, Maryland, United States
$85k-$130k/yr OnsiteFull Time
LufCo
LufCo: Provides specialized engineering and analytic services for defense missions.
3+ YOE3+ years as a cyber security engineer, bachelor’s in a technical discipline, TS/SCI with polygraph (US citizenship), RMF/SSP/ATO experience, STIG application on Linux/Windows, eMASS and cloud familiarity.
eMASS, STIGs, Linux, Windows, CI/CD
3w
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Security Officer Patrol Detail Driver
Darlington, Maryland, United States
$19/hr OnsitePart Time
Allied Universal
Allied Universal: Global provider of physical security and facility management services.
1+ YOE1+ year security experience; valid driver’s license for driving post; high school diploma or equivalent; applicants subject to background check and drug screen; must meet minimum age requirements (18+ unarmed, 21+ for driving/armed roles).
3w
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Security Officer (Unarmed)
Sewell, New Jersey, United States
$18/hr OnsitePart Time
Tarian Group
Tarian Group: Provides professional security guarding and protective services for critical infrastructure.
High school diploma/GED, SORA guard card required, ability to stand/walk long shifts, lift up to 80 lbs., strong communication and de-escalation skills, able to obtain/maintain applicable licenses.
5h
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Security Officer (Unarmed)
Stratford, New Jersey, United States
$18/hr OnsitePart Time
Tarian Group
Tarian Group: Provides professional security guarding and integrated technology solutions.
High school diploma/GED, SORA guard card required, ability to obtain licenses, valid driver’s license if applicable, ability to stand/walk shifts, lift up to 80 lbs., strong communication and interpersonal skills.
1mo
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Security Officer (Unarmed Overnight Shift)
Sewell, New Jersey, United States
$18/hr OnsiteFull Time, Part Time
Tarian Group
Tarian Group: Provider of security guarding, technology, and risk solutions.
High school diploma/GED, required SORA guard card, ability to stand/walk entire shift, lift up to 80 lbs., strong communication and de-escalation skills, ability to obtain/maintain applicable licenses.
2mo
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Application/Agentic AI Engineer
Aberdeen, Maryland, United States
HybridFull Time
NextGen Federal Systems
NextGen Federal Systems: Provides advanced software engineering and mission support to federal agencies.
3+ YOE3+ years in software engineering or AI integration; BS in CS/Software/ Data/IS; proficient in Python/JS/TS/Java; API/microservice experience; LLMs and AI orchestration familiarity; cloud-native with Docker/Kubernetes; SDLC/DevSecOps/CI/CD; Git; strong problem-solving; active security clearance.
Python, JavaScript, TypeScript, Java, APIs, Microservices, Data services, Docker, Kubernetes, Git, CI/CD, SDLC, DevSecOps
1mo
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Product Director, Trust and Security - Payments Assessments
Columbus or Wilmington or Plano or Ohio
OnsiteFull Time
JPMorgan Chase
JPMorgan ChaseNYSE: JPM: Global financial services firm providing banking and investment solutions.
8+ YOE8+ years delivering products or technology applications; deep product lifecycle, technical design, and data analytics knowledge; stakeholder management and change leadership; US work authorization required (no visa sponsorship).
3w
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Related Services (Speech, Physical Therapy, Occupational Therapy, Psychology) Teacher - Long Term Substitute - 2026 - 2027 School Year
Bel Air or Harford County
$194/day OnsitePart Time, Temporary
Harford County Public Schools
Harford County Public Schools: Providing comprehensive public K-12 education to Harford County students.
Minimum of 60 college credits; complete online application with supporting documents (transcript, degree, teaching certificate if applicable); fingerprint/background check and I-9; submit driver's license, social security card, direct deposit and tax forms.
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
6d
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Cloud Development Engineer
Aberdeen Proving Ground, Maryland, United States
$90k-$190k/yr HybridFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
Experience developing Java enterprise applications, Azure cloud deployment and sustainment, containerization, RHEL/Ubuntu/Windows deployment, CompTIA Security+, active DoD Secret clearance, and ability to perform technical presentations.
Azure, RHEL, Ubuntu, Windows, Java, Quarkus, Jakarta EE, Spring, Docker, Kubernetes, AWS
1d
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Crossing Guard - Districtwide for the 2026-2027 School Year
Wyoming or Delaware
$17/hr OnsitePart Time
Caesar Rodney School District
Caesar Rodney School District: Provides public K-12 education to the Kent County community.
Perform street crossing duties before and after school; must submit background check and TB test; provide ID, Social Security card, and driver's license; transcripts/resume and three recommendation letters if applicable.
1w
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Associate Low Code/No Code Developer
Aberdeen Proving Ground, Maryland, United States
$65k-$111k/yr OnsiteFull Time
ASRC Federal
ASRC Federal: Provides engineering and IT services to federal government agencies.
1+ YOEBachelor's or equivalent experience,1+ year application development experience with Microsoft Power Platform,active DoD Secret clearance,CompTIA Security+ required,PL-900 within 6 months; Power Apps/Automate/BI experience.
Power Apps, Power Automate, Power BI, Power Platform, Palantir Foundry, Army Vantage, Dataverse, Microsoft 365
2mo
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Principal Cloud Architect
Milford or New Castle
OnsiteFull Time
Waters Corporation
Waters CorporationNYSE: WAT: Provider of analytical laboratory instruments and software.
10+ YOE5+ MgmtBachelor's in CS or STEM (or equivalent experience); 10+ years development experience with 5+ years in a lead cloud architect role; experience with AWS, application/database/security architecture, Terraform, microservices and multi-tenant SaaS; strong communication and mentoring skills.
Terraform, AWS Well-Architected Framework, C#, .NET Core, Angular 16+, Typescript, JavaScript, HTML5, TOGAF 9, ISO 42010:2011
3w
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Asset Protection Detective, Christiana - Part Time
Newark, Delaware, United States
$17-$25/hr OnsitePart Time
Macy's
Macy'sNYSE: M: Operates department stores selling apparel, home goods, and luxury items.
Flexible availability including days/evenings/weekends/holidays; high school diploma or equivalent; maintain required licenses/trainings (New York State security guard license where applicable); ability to walk/stand long periods and lift up to 30 lbs; strong communication and de-escalation skills.
2mo
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Senior Android Developer – Banking Applications
Wilmington, Delaware, United States
$107k-$178k/yr HybridFull Time
M&T Bank
M&T BankNYSE: MTB: Provides retail, commercial, and wealth management banking services.
3+ YOE5+ years Android development with Java/Kotlin; banking/fintech experience; secure mobile development; testing frameworks; collaborative team player.
Java, Kotlin, Android, Jetpack Compose, Espresso, JUnit, Mockito, CI/CD, DevOps, Secure coding