Senior Principal Software Engineer – (Secret Clearance Preferred – Onsite Required)

Description

The company is a global technology and professional services firm serving U.S. government, defense and intelligence agencies, with about 26,000 staff across more than 50 countries.

The team builds and runs a high-performance big data system as part of a long-running, stable program. Engineers follow defined Agile practices.

The role covers requirements analysis, design, development, testing and maintenance, plus research on the operational system. You will turn complex problems into high-quality software and tailor solutions to each client's needs. You may also mentor and coach other software engineers.

Responsibilities

• Lead requirements analysis, design, development, testing and maintenance for the big data system.
• Take part in research on the operational system.
• Build software that is solid in proficiency and quality to solve complex problems.
• Adapt advanced solutions to each client's specific requirements.
• Mentor and coach other software engineers, as needed.

Requirements

• US citizenship is required.
• 10+ years of related experience.
• Bachelor's degree (4 years) in software engineering or a related technical field, or at least 14 years of equivalent work experience.
• Applied understanding of software engineering concepts, principles and applications.
• Experience with database technologies, SQL, ETL, indexing and performance, including contextual data.
• Solid grounding in object-oriented and functional programming, design patterns, data structures and algorithms.
• Proven ability to build high-performance applications in Modern C++ (11, 14, 17 or 20) on Linux.
• Proven experience with scripting in Bash, Ruby and Python.
• Experience with data modeling and NoSQL databases such as MongoDB.
• Experience with parallel, multi-threaded and multi-process programming.
• Proven experience with very large databases, big data and enterprise data warehouses.
• Experience with NUMA memory architectures and caching.
• Expertise in performance techniques such as profiling, avoiding memory allocation and deallocation, parallelization and algorithm choice.
• Ability to collaborate effectively with project teams, managers and end users.
• Commitment to ongoing professional development.
• Ability to learn new information quickly and take on growing responsibility and complexity.
• Creative, innovative thinking and the ability to multi-task.
• Nice to have: experience with Azure cloud development.
• Nice to have: experience with C++ STL, data ETL, data warehousing, Linux Bash and multithreaded application development.

Conditions

Onsite role in Oakton, Virginia, USA, with no remote work.

Full-time schedule of 40 hours per week. Travel is less than 10%.

An active Secret clearance is preferred. If you do not hold one, the company will sponsor it after a contingent offer.

You must obtain a Department of War Secret clearance before starting on the program, and you will undergo a government background check. U.S. citizenship is required because of the nature of the work.

Salary is likely to fall between $166,600 and $225,400, based on experience, location and possibly contract terms, and may fall outside that range. It is not guaranteed.

Identity verification uses biometrics and AI. Interviews are on camera, and biometric data is used for verification and security.

Equal opportunity employer, including individuals with disabilities and protected veterans.

Benefits

• 401(k) with company match.
• Medical plan options, some with Health Savings Accounts, plus dental and vision plans.
• Life, disability, accident and critical illness coverage, with business travel accident insurance available.
• Paid vacation, sick and personal time, holidays, parental, military, bereavement and jury duty leave.
• Flexible work weeks where possible.
• Paid education and certifications.
• Internal mobility support for managing your career.
• Access to current technology to learn from.