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Mission Technologies, a division of HII · 2 weeks ago

Principal Software Engineer (Hybrid) - 24038

Columbia, MD

Full-time

Hybrid

Lead/Staff

$165K/yr - $245K/yr

15+ years exp

Mission Technologies, a division of HII, is a leader in big data solution development and deployment. The Principal Software Engineer will be responsible for designing, building, and scaling backend systems that manage vast amounts of data and ensure system reliability and performance.

Defense & Space

No H1B

U.S. Citizen Only

Responsibilities

Design, develop, test, deploy, and maintain complex, scalable, and critical backend systems and services capable of handling massive data volumes and high query loads

Take full ownership of challenging technical projects, driving them from initial concept through to production and ongoing iteration

Engage with a variety of technical domains, including: Building and evolving RESTful APIs and backend services. Modifying, extending, and optimizing complex open-source software (e.g., Trino). Implementing and managing sophisticated identity federation solutions (e.g., Keycloak). Developing and operating large-scale data ingestion pipelines (e.g., using Airflow). Enhancing and automating deployment processes (CI/CD) using technologies like Kubernetes

Collaborate effectively within a team of experienced engineers, contributing to a culture of shared knowledge and mutual respect

Apply strong problem-solving skills to diagnose, debug, and resolve complex technical issues, ensuring system reliability and performance

Champion pragmatic and robust solutions, adapting quickly to new technologies and evolving business needs

Operate with a high degree of independence in a low-process environment, taking initiative and driving results

Other duties as assigned

Qualification

JavaPythonKubernetesAPI developmentTrinoAirflowPostgreSQLCI/CDKeycloakAWSMonitoring toolsCommunication skills

Required

Security Clearance: A current U.S. Government Security Clearance is desired, but not required; U.S. Citizenship required. Can also consider candidates with a current Secret or TS level clearance

15+ years of experience as a software engineer, designing, developing, and deploying complex backend systems and a Bachelors in related field or 13 years experience with Masters; or High School Diploma and 19 years experience

Proficiency in one or more of our primary backend languages: Java, Python, Go

Experience working with or modifying Trino (or similar distributed SQL query engines)

Experience with containerization and orchestration, particularly Kubernetes

Familiarity with PostgreSQL or similar relational databases

A drive for pragmatic solutions with a strong bias for action and a 'get stuff done' mentality

Possess a low-ego and collaborative approach to teamwork and technical discussions

Self-motivated and thrive in a low-process, high-autonomy environment, working effectively with minimal supervision

Highly adaptable and a quick learner, comfortable context-switching and rapidly mastering new technologies and diverse technical domains such as API development, complex open-source modification, identity federation protocols, large-scale data ingest, and deployment automation

Significant experience building and maintaining API endpoints and backend services

Comfortable and experienced in modifying and extending complex open-source projects

Possess a solid understanding and practical experience with identity federation protocols

Proficient in deployment automation and CI/CD practices and tools

Strong problem-solving skills with the ability to systematically debug and resolve intricate issues

Excellent communication skills, both written and verbal, and can articulate technical concepts clearly

Must be able to work in a hybrid environment, spending an average of 1-2 days per week at our Columbia, MD office. Flexibility is essential to adapt to schedule changes as needed