Sr. Application Development Engineer

The Department of Homeland Security (DHS) U.S. Citizenship and Immigration Services (USCIS) is responsible for lawful immigration to the United States. The Information Security Division (ISD) is responsible for the management of the USCIS Information Security Program. ISD ensures compliance with the Federal Information Security Management Act of 2002 (FISMA) and other federal regulatory mandates to protect USCIS information technology infrastructure/resources information systems and the data used in these environments. They are also responsible for implementing DHS Information Security Program policies procedures standards and guidelines throughout the agency. The ISD mission is to deliver effective high quality innovative cybersecurity services and solutions that reduce risk and protect the IT infrastructure systems and data across USCIS in a dynamic threat environment.

Job description

Zen Strategics a Titan Technologies company is seeking a Senior Application Development Engineer to support cybersecurity efforts for DHS USCIS systems. The Engineer will design and implement enterprise cybersecurity solutions support threat modeling automate security processes and integrate tools such as responsibilities include writing technical documentation supporting compliance and improving security posture across all layers of the network.

Duties and Responsibilities:

• Lead the architecture design development and deployment of secure scalable web applications and services including new features modules and system enhancements.
• Maintain and optimize existing applications by troubleshooting defects resolving performance issues and ensuring reliability availability and maintainability.
• Develop and manage server-side solutions using Ruby on Rails including business logic database interactions authentication API integrations and back-end services.
• Design implement and optimize databases data models and queries to ensure data integrity performance and protection of sensitive information.
• Build and maintain RESTful APIs and system interfaces to enable secure integration across enterprise platforms and external services.
• Implement automated testing debugging and quality assurance practices including unit integration and performance testing to ensure high-quality resilient code.
• Collaborate with cross-functional teams and provide technical leadership through code reviews standards enforcement and mentoring of junior developers.
• Integrate cybersecurity principles into application and enterprise architectures by applying secure coding practices access controls encryption monitoring and risk-based safeguards aligned with federal requirements.
• Lead the evaluation and design of secure network system and data architectures by embedding security-by-design principles establishing enterprise data protection strategies and automating security operations and large-scale event analysis using scripting and Security Information and Event Management (SIEM) frameworks.
• Conduct technical research standards and product evaluations and configuration assessments to support federal compliance requirements; develop and maintain Enterprise Architecture and System Lifecycle documentation and recommend configuration or architectural improvements to remediate vulnerabilities and strengthen the overall security posture.

You MUST have:

• 5 years of experience developing enterprise-level applications using Ruby on Rails with full-stack experience including front-end development (HTML5 CSS jQuery) and back-end services; able to read and troubleshoot Rails error and build logs independently (Harness experience a plus).
• 5 years of experience in PostgreSQL environments including deep knowledge of complex queries indexing and query optimization.
• Extensive experience with full-stack testing using RSpec and Capybara.
• Proficient in REST API architecture AWS Security Splunk and implementation of secure coding and network best practices.
• Experience with security and monitoring tools such as Tenable CrowdStrike NewRelic and Flexera.
• Ability to work fully remotely while maintaining high productivity reliability and delivering high-quality code.
• Ability to get and maintain Public Trust Security Clearance or Existing Public Trust Clearance preferred.

Education:

• A Bachelors degree in Computer Science Information Management or Engineering or other comparable degree or experience which must be approved in advance by the Government Program Manager.

Company Description:

Titan Technologies LLC and our wholly owned subsidiaries TelaForce LLC Titan Facilities Inc. and Zen Strategics design build integrate and manage innovative solutions and software applications. Our remarkable people working collaboratively under a shared vision have earned a reputation with our customers for delivering results with maximum impact. Sound intriguing Consider Titan Technologies for the next step in your career journey and be part of an impactful team!

Titan is proud to be a Service-Disabled Veteran Owned Business.

Required Experience:

Senior IC