STSY - Senior Software Developer Security Clearance

Position: STSY - Senior Software Developer with Security Clearance
Strait Sys Inc Regular Primary Function Serve as a senior technical engineer for the ET&T Custom Applications team, responsible for developing and delivering modern, containerized, cloud-ready applications. This role will help set the technical direction for Yulista's next generation of custom tools, services, and enterprise integrations-leveraging cutting-edge software development frameworks, Dev Sec Ops , containerization, and modern application design patterns to transform how the business operates.

Essential Duties
* Architect, design, and develop modern C# .NET applications leveraging microservices, containers (Docker/Podman), and cloud-native patterns.

* Lead the transition to containerized workloads, establishing templates, standards, and best practices for the Custom Apps team.

* Build secure, scalable REST APIs and backend services that power business-critical systems across the enterprise.

* Implement API-first, modular architectures that integrate with platforms like Costpoint, Salesforce, Workday, SharePoint, and custom ET&T solutions.

* Establish and maintain CI/CD pipelines, automated testing frameworks, and Dev Sec Ops  workflows to ensure rapid, secure delivery.

* Serve as a technical trailblazer for emerging technologies, prototyping and validating new frameworks, architectures, and patterns for enterprise adoption.

* Collaborate closely with the Data team to align custom applications with enterprise data models, SQL Server designs, and data governance standards.

* Create documentation, architectural diagrams, and development standards that will guide future Custom Apps developers.

* Conduct code reviews, provide technical mentorship, and support junior and mid-level developers on the team.

* Troubleshoot and resolve deep technical issues across distributed systems, APIs, and cloud environments. Supervisory Responsibilities Serve as a senior technical mentor and may act as a functional team lead as the Custom Apps team grows. Desired Knowledge, Skills & Abilities
* Expert-level skills in C# .NET, asynchronous programming, API architecture, and modern backend development.

* Deep understanding of containerization technologies (Docker, Podman) and orchestration concepts (Kubernetes, AKS, Open Shift, etc.).

* Strong background in REST API design, microservices, event-driven patterns, and cloud-native architecture.

* Knowledge of Azure (including GCCH) cloud services, identity patterns, secure secrets management, and modern deployment models.

* Proficiency in SQL Server, schema design, stored procedures, and performance tuning.

* Experience building applications that integrate with enterprise systems (Costpoint, Salesforce, Workday, SharePoint, etc.).

* Familiarity with Dev Sec Ops  tooling CI/CD pipelines, automated testing, IaC, vulnerability scanning, container security.

* Ability to evaluate, adopt, and champion emerging technologies that advance the Custom Apps ecosystem.

* Clear, effective communication skills and the ability to collaborate with cross-functional engineering teams.

Required Qualifications
* Bachelor's degree in Computer Science, Software Engineering, or equivalent experience.

* 10+ years of hands-on software development experience, with at least 3-5 years working in modern .NET and API-heavy environments.

* Possession of an active Secret clearance is preferred. Candidates who do not currently hold a clearance must be willing and able to obtain one.
* Demonstrated experience designing or leading containerized application architectures.

* Proven ability to guide technical strategy, mentor developers, and lead complex projects.

* Experience with cloud platforms (preferably Azure/GCCH) and enterprise-grade integrations strongly preferred. PREFERENCE STATEMENT Preference will be given to Calista shareholders and their descendants and to spouses of Calista shareholders, and to shareholders of other corporations created pursuant to the Alaska Native Claims Settlement Act, in accordance with Title 43 U.S. Code 1626(g). EEO STATEMENT Additionally, it is our policy to select, place, train and promote the most qualified individuals based upon relevant factors such as work quality, attitude and experience, so as to provide equal employment opportunity for all employees in compliance with applicable local, state and federal laws and without regard to non-work related factors such as race, color, religion/creed, sex, national origin, age, disability, marital status, veteran status, pregnancy, sexual orientation, gender identity, citizenship, genetic information, or other protected status.

When applicable, our policy of non-discrimination applies to all terms and conditions of employment, including but not limited to, recruiting, hiring, training, transfer, promotion, placement, layoff, compensation, termination, reduction in force and benefits. REASONABLE ACCOMMODATION It is Calista and Subsidiaries' business philosophy and practice to provide reasonable accommodations, according to applicable state and…