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Java Security Engineer Temp Jobs in Washington (NOW HIRING)

Peraton

Application Security Engineer

Herndon, VA · On-site

$104K - $166K/yr

Responsibilities We are seeking a highly skilled and innovative Application Security Engineer to ... Java, C#, JavaScript), and cloud-native platforms (AWS/Azure/GCP). * Knowledge: OWASP Top 10, NIST ...

Peraton

Application Security Engineer

Herndon, VA · On-site

$104K - $166K/yr

Responsibilities We are seeking a highly skilled and innovative Application Security Engineer to ... Java, C#, JavaScript), and cloud-native platforms (AWS/Azure/GCP). * Knowledge: OWASP Top 10, NIST ...

Peraton

Application Security Engineer

Herndon, VA · On-site

$104K - $166K/yr

Responsibilities We are seeking a highly skilled and innovative Application Security Engineer to ... Java, C#, JavaScript), and cloud-native platforms (AWS/Azure/GCP). * Knowledge: OWASP Top 10, NIST ...

Gecko Robotics

Product Security Engineer

Washington, DC · On-site

$175K - $210K/yr

Experience writing and reviewing code in languages such as Python, Javascript, Java, or Go * Experience integrating security into CI and CD workflows * Ability to work closely with engineers in a ...

ManTech

Application Security Engineer

Hanover, MD

$165K - $295K/yr

The Application Security (AppSec) Engineer will leverage their strong technical background and ... Strong, hands-on experience in C/C++ or C#, with the ability to read/analyze Java. Preferred ...

ManTech

Application Security Engineer

Hanover, MD

$141K - $236K/yr

The Application Security (AppSec) Engineer will leverage their strong technical background and ... Strong, hands-on experience in C/C++ or C#, with the ability to read/analyze Java. Preferred ...

Maxtena Inc

FIPS 140 Security Engineer

Germantown, MD · On-site

Experience with various programming languages such as C, C++, Python, or Java, as well as development environments * Ability to comprehend security standard requirements and apply them to products.

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What cities in Washington are hiring for Java Security Engineer Temp jobs? Cities in Washington with the most Java Security Engineer Temp job openings:
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Infographic showing various Java Security Engineer Temp job openings in Washington as of June 2026, with employment types broken down into 99% Full Time, and 1% Contract. Highlights an 82% Physical, 5% Hybrid, and 13% Remote job distribution.
Information Systems Security Engineer (ISSE)

Information Systems Security Engineer (ISSE)

Modern Technology Solutions, Inc.

Washington, DC • On-site

Full-time

Posted 22 days ago

Job description

MTSI is seeking a Information Systems Security Engineer (ISSE) whose primary function will be to serve as the Program Office's information security professional responsible for managing all aspects of an organization's information security system, including researching, testing, training, and implementing programs designed to safeguard sensitive information from possible compromise.
Your essential job functions will include but may not be limited to:
  • The ISSE works with System Engineering teams to incorporate cyber resiliency objectives, techniques, and design principles into all system engineering and development efforts throughout the systems development life cycle (SDLC).
  • Develop and maintain documentation and diagrams for security tools, system environments, and cloud operations
  • Perform requirements analysis, design, and integration for complex software applications and collaboration infrastructures
  • Participate in the change management process, including reviewing Change Requests and assisting in the assessment of security impact of proposed changes
  • Write implementation and design documents describing how security features are implemented
  • Create and maintain information system security documentation, Standard Operating Procedures (SOP), and provide guidance on active Plans of Action and Milestones (POA&M)
  • Conduct periodic and continuous monitoring of the system, procedures, and documentation to ensure compliance with the authorization package

Required:
  • 10+ years' technical experience in cybersecurity, information technology, or systems engineering
  • Must have experience working with Special Access Programs (SAPs)
  • Strong proficiency fault tolerance, and Reliability, Maintainability, Availability (RMA) subject matter.
  • Must possess excellent analytical skills and be capable of quantifying risk to enterprise systems and level of compliance with security policy
  • Excellent communication skills (verbal and written) required

Advanced knowledge in one or more of the following areas:
  • Java, Python, Ruby and/or C++
  • Linux Expertise (RedHat/RHEL or CentOS preferred)
  • Dynamic & Static Application Security Scanning (e.g., Arachni, OWASP ZAP, BurpSuite, Fortify, Checkmarx, etc.)
  • Virtualization and containers (EC2, Docker)
  • Infrastructure Security Scanning, Vulnerability Scanning (Twistlock, ACAS/Nessus)

Certifications:
  • Certified Information Systems Security Professional (CISSP).
  • Certified Cloud Security Professional (CCSP).
  • Information Systems Security Engineering Professional (ISSEP)
  • DOD Information Technology Security Certification and Accreditation Process (DITSCAP)
  • DOD Information Assurance Certification and Accreditation Process (DIACAP)

Education Requirements:
  • Bachelors Degree in related discipline.

Clearance Requirements:
  • Current/active Top Secret/SCI; Current or recent DoD SAP access

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