Senior Software Engineer

at Parsons Corporation in O'Fallon, Illinois, United States

Job Description

In a world of possibilities, pursue one with endless opportunities. Imagine Next!

When it comes to what you want in your career, if you can imagine it, you can do it at Parsons. Imagine a career working with intelligent, diverse people sharing a common quest. Imagine a workplace where you can be yourself. Where you can thrive. Where you can find your next, right now. We’ve got what you’re looking for.

Job Description:

Senior Software Engineer assist in leading the design and development of software solutions for complex applications problems, API design, data services, platform services, cloud services and infrastructure services to meet user requirements and align to strategic goals and the Enterprise Architecture. The Senior-Level Software Engineer understands/performs software development and assists with making high-level design choices and helps identify technical standards, including software coding standards, tools, and platforms. Develop and manage the source code to support of baseline service deployments. Support the integration of code baselines into the production instance. Add functionality to allow edits of published entities outside the baseline cycle to correct mistakes.


+ Guides Mid-Level and Junior-Level software engineers in the design, development, maintenance, and documentation of software requirements ensuring traceability to solution architecture and requirements.

+ Assists with the analysis of user requirements, procedures, and problems to automate or improve existing software systems.

+ Guides Mid-level and Junior-level software engineers in the development of proposed changes to the software solutions architecture design based on analysis of requirements and new technology.

+ Assist with high-level software design choices and technical standards, including software coding standards, tools, and platforms.

+ Creates prototypes to evaluate new technologies.

Required Skills:

+ Active Secret Clearance and ability to maintain one.

+ Bachelor’s degree in computer science, Information Technology, Management Information Systems, or related STEM degree program.

+ Senior-level working experience in government or industry in relevant work areas including:

+ Experience in more than one of the following areas: cloud computing, service orientation, containerization, micro-services, API development or DevSecOps.

+ Experience building and delivering working products to customers in a modern, cloud-based software environment. Client Servers and managing MySQL database operations in a web environment.

+ Experience with: Java, Java Script, JSP, HIBERNATE, TOMCAT, HTML 5 and CSS

Desired Skills:

+ Master’s degree in Computer Science, Information Technology, Management Information Systems, or related STEM degree program.

+ Experience in tailoring and using both Agile and Waterfall development methodologies.

+ SAFe Agile certification

Minimum Clearance Required to Start:


This position is part of our Federal Solutions team.

Our Federal Solutions segment delivers resources to our US government customers that ensure the success of missions around the globe. Our diverse, intelligent employees drive the state of the art as they provide services and solutions in the areas of defense, security, intelligence, infrastructure, and environmental. We promote a culture of excellence and close-knit teams that take pride in delivering, protecting, and sustaining our nation’s most critical assets, from Earth to cyberspace. Throughout the company, our people are anticipating what’s next to deliver the solutions our customers need now.

Salary Range:

$136,200.00 – $245,200.00

We value our employees and want our employees to take care of their overall wellbeing, which is why we offer best-in-class benefits such as medical, dental, vision, paid time off, 401(k), life insurance, flexible work schedules, and holidays to fit your busy lifestyle!

The position may require a COVID vaccination or an approved accommodation/exemption for a disability/medical condition or religious belief as required by customer requirements and some cases federal, state, provincial or local mandates.

Parsons is an equal opportunity employer committed to diversity, equity, inclusion, and accessibility in the workplace. Diversity is ingrained in who we are, how we do business, and is one of our company’s core values. Parsons equally employs representation at all job levels for minority, female, disabled, protected veteran and LGBTQ+.

We truly invest and care about our employee’s wellbeing and provide endless growth opportunities as the sky is the limit, so aim for the stars! Imagine next and join the Parsons quest-APPLY TODAY!About Us

Parsons is a digitally enabled solutions provider focused on the defense, security, and infrastructure markets. With nearly 75 years of experience, Parsons is uniquely qualified to deliver cyber/converged security, technology-based intellectual property, and other innovative services to federal, regional, and local government agencies, as well as to private industrial customers worldwide.

Parsons is an equal opportunity, drug-free employer committed to diversity in the workplace. Minority/Female/Disabled/Protected Veteran/LGBTQ+.

For more about Parsons, visit and follow us on Facebook, Twitter, LinkedIn, and YouTube.

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Job Posting: JC251925395

Posted On: Dec 02, 2023

Updated On: Feb 16, 2024

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