Mid-Level Software Developer Jobs in Illinois

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Senior Network Security Engineer / F5 Load Balancers

Motion Recruitment Partners, LLC

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Chicago, Illinois, USA

Full-time

A leading supply-chain logistics company is growing out their security team and hiring a Senior Network Security Engineer. You'll discover, assess, and mitigate security risks, threats, and vulnerabilities, and conduct network and host threat assessments, manage the company's security platform and solution efforts, and assist in their deployment. You'll primarly work with Palo Alto Firewalls, FortiGates, and F5 Load Balancers. You'll also create action plans to mitigate identified vulnerabilitie
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Posted 22 days ago | Updated 7 hours ago

Software Engineer Technical Leader - Atlassian Systems Engineer

Splunk Inc.

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North Carolina, USA

Full-time

Description Splunk, a Cisco company, is building a safer and more resilient digital world with an end-to-end full stack platform made for a hybrid, multi-cloud world. Leading enterprises use our unified security and observability platform to keep their digital systems secure and reliable. Our customers love our technology, but it's our caring employees that make Splunk stand out as an amazing career destination. No matter where in the world or what level of the organization, we approach our wor
Posted 13 days ago | Updated 10 hours ago

Senior Piping Stress Engineer 2 - Nuclear

Sargent & Lundy LLC.

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Remote

Full-time

Description Piping Engineering & Analysis Synopsis The Piping Engineering & Analysis discipline performs evaluations for piping systems in accordance with ASME Boiler and Pressure Vessel Code, ASME B31.1, ASME B31.7, and other codes as applicable to the specific evaluation being performed. The Piping Engineering & Analysis discipline also performs the following specialty topics. Vibration monitoring and analysis to evaluate system operational vibrations associated with plant modifications and
Posted 26 days ago | Updated 10 hours ago

Sr. Technical Product Engineer (Cortex-Cloud)

PaloAlto Networks

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Remote or Plano, Texas, USA

Full-time

Company Description Our Mission At Palo Alto Networks everything starts and ends with our mission: Being the cybersecurity partner of choice, protecting our digital way of life. Our vision is a world where each day is safer and more secure than the one before. We are a company built on the foundation of challenging and disrupting the way things are done, and we're looking for innovators who are as committed to shaping the future of cybersecurity as we are. Who We Are We take our mission of
Posted 27 days ago | Updated 10 hours ago

Senior IBM z/OS Communications Programmer

Concent Software Solution LLC

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Remote

Contract, Third Party

Role : Senior IBM z/OS Communications ProgrammerLocation : 100% RemoteJob Type : Contract Job Duties and Responsibilities: Provide planning, which includes development of implementation and installa-tion plans for IBM Mainframe projects. The implementation plan should in-clude: detailed steps and requirements to successfully implement OS s, software or hardware upgrades, or installations to IBM System z/OS mainframe platform. Develop timelines and milestones related to the required steps for imp
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Posted 2 days ago

Senior Cyber Security Engineer - Network Security

Sanford Health

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Remote or Sioux Falls, South Dakota, USA

Full-time

Sanford Health is one of the largest and fastest-growing not-for-profit health systems in the United States. We're proud to offer many development and advancement opportunities to our nearly 50,000 members of the Sanford Family who are dedicated to the work of health and healing across our broad footprint. Work Shift: 8 Hours - Day Shifts (United States of America) Scheduled Weekly Hours: 40 Salary Range: $37.50 - $62.00Pay starts at $37.50 and increases according to years of applicable exper
Posted 60+ days ago | Updated 10 hours ago

Lead Java Full stack Developer (W2 Position)

Anveta Inc

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Chicago, Illinois, USA

Contract

Lead Java Full stack Developer (W2 Position) Location : Chicago, IL (Onsite) Duration : 6+ Months Job Description: Need 12 Years exp Lead Java full Stack Developer with experience in designing and developing distributed systems Must have experience on Azure Must have experience on ReactJS Experience working on and delivering large-scale, globally distributed systems, with application of Design Patterns, Test Driven Development and continuous integration etc. Must be able to work from Front end t
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Posted 29 days ago

Senior IBM z/OS Communications Programmer

Excelque, Inc

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Remote

Contract, Third Party

Job Title: Senior IBM z/OS Communications Programmer Location: REMOTE Experience: 10+ Years Duration: Long Term \Work Authorization: s If you are interested in this position, please share your updated resume - Job Description: Job Duties and Responsibilities: Provide planning, which includes development of implementation and installa-tion plans for IBM Mainframe projects. The implementation plan should in-clude: detailed steps and requirements to successfully implement OS s, software or hardwar
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Posted 3 days ago

Senior Electrical Project Engineer (Hybrid)

RTX Corporation

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Remote or Windsor, Connecticut, USA

Full-time

Date Posted: 2025-04-22 Country: United States of America Location: 01: Building 01 Windsor Locks One Hamilton Road, Windsor Locks, CT, 06096 USA Position Role Type: Hybrid U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: None/Not Required Joining Collins Aerospace isn't just about finding a job; it's about embarking on a journey to redefine the future of aerospace technology. Collins Aerospace, an RTX company, is a leader in technologically advanced and int
Posted 60+ days ago | Updated 10 hours ago

Senior Deep Learning Infrastructure Engineer

NVIDIA Corporation

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Remote or Santa Clara, California, USA

Full-time

NVIDIA has continuously reinvented itself over two decades. Our invention of the GPU in 1999 sparked the growth of the PC gaming market, redefined modern computer graphics, and revolutionized parallel computing. More recently, GPU deep learning ignited modern AI - the next era of computing. NVIDIA is a "learning machine" that constantly evolves by adapting to new opportunities which are hard to solve, that only we can pursue, and that matter to the world. This is our life's work, to amplify huma
Posted 60+ days ago | Updated 10 hours ago

Senior Analytics Engineer (L5) - In-Game Analytics

Netflix, Inc.

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Remote

Full-time

Netflix is one of the world's leading entertainment services, with over 300 million paid memberships in over 190 countries enjoying TV series, films and games across a wide variety of genres and languages. Members can play, pause and resume watching as much as they want, anytime, anywhere, and can change their plans at any time. Data Science and Engineering ('DSE') at Netflix is aimed at using data, analytics, and sciences to improve various aspects of our business. We are looking for a Senior
Posted 60+ days ago | Updated 10 hours ago

Senior Transmission Line Engineer 1 - Grid

Sargent & Lundy LLC.

•

Chicago, Illinois, USA

Full-time

Description This position allows for a hybrid work schedule with a mix of work spent in office and working remote from home. This position will offer you the ability to apply and expand your knowledge of transmission line engineering including, conductors, hardware, insulation, structures, foundations and electrical principles to: Design transmission lines in the 69kV to 500kV range. Responsibility for cost analyses, development of design criteria, routing and siting of transmission lines. Re
Posted 33 days ago | Updated 10 hours ago

Lead Transmission Line Engineer 1 - Grid

Sargent & Lundy LLC.

•

Warrenville, Illinois, USA

Full-time

Description This position allows for a hybrid work schedule with a mix of work spent in office and working remote from home. Responsibilities may include the following: Design transmission lines in the 69kV to 765kV range.Mentor and train less experienced design team members.Coordinate design activities to ensure installation and operations will comply with specifications, codes, and client requirements.Prepare reports and studies that present technical information in a clear and concise manne
Posted 34 days ago | Updated 10 hours ago

Lead Transmission Line Engineer 1 - Grid

Sargent & Lundy LLC.

•

Chicago, Illinois, USA

Full-time

Description This role offers a hybrid work arrangement. You'll spend three days a week in the office, giving you the flexibility to work remotely for two days. Responsibilities may include the following: Design transmission lines in the 69kV to 765kV range.Mentor and train less experienced design team members.Coordinate design activities to ensure installation and operations will comply with specifications, codes, and client requirements.Prepare reports and studies that present technical infor
Posted 34 days ago | Updated 10 hours ago

Senior DGX Cloud Software Engineer - Infrastructure Automation and Distributed Systems

NVIDIA Corporation

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Remote or Santa Clara, California, USA

Full-time

We are seeking Software Engineers with previous experience building and running private and public clouds at production scale. As part of the DGX Cloud team, you'll have the opportunity to support our customers' journeys in AI training and inference development by building the platforms, tools, and services that defend the operational capacity of our bare-metal, accelerated compute infrastructure and codify reliability best-practices in the broader DGX Cloud platform ecosystem. What you'll be d
Posted 8 days ago | Updated 10 hours ago

Energy Storage Engineer - Senior Level (Hybrid)

Barr Engineering

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Remote or Ann Arbor, Michigan, USA

Full-time

Summary: Barr is seeking an energy storage engineer to join our electrical engineering team and help support our facility, utility, industrial, fuels, and mining clients. The person in this position will work on multidisciplinary project teams, assisting with energy-storage business-development efforts across a variety of market opportunities. This person will work to understand the energy storage market, market trends, and growth opportunities, as well as help build our energy-storage business
Posted 60+ days ago | Updated 10 hours ago

Senior Java Backend Engineer fully remote NODE.JS

Paradigm Infotech

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Remote

Contract

Must be located within USA No agency or C2C will NOT be considered and Visa sponsorship is not available nor provided W2 role . Cross-functional Collaboration Partner with frontend, mobile, Salesforce, and DevOps engineers to deliver cohesive, end-to-end solutions. Troubleshoot and resolve complex performance and system issues in distributed cloud environments . Represent the backend team in agile ceremonies and strategic planning discussions. Platform & Process Enhancement Drive improvements
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Posted 36 days ago | Updated 14 days ago

Lead Transmission Line Engineer - Grid

Sargent & Lundy LLC.

•

Remote

Full-time

Description Responsibilities may include the following: Design transmission lines in the 69kV to 765kV range.Mentor and train less experienced design team members.Coordinate design activities to ensure installation and operations will comply with specifications, codes, and client requirements.Prepare reports and studies that present technical information in a clear and concise manner and meet client requirements and S&L formats.Perform independent reviews of work performed by others including c
Posted 60+ days ago | Updated 10 hours ago

Senior Cloud Security Engineer (Remote)

Progressive Leasing

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Illinois, USA

Full-time

Progressive Leasing is a leading provider of in-store and e-commerce lease-to-own solutions. As an almost 20+ year old FinTech company that has gone from start-up to industry leader, we know how to innovate, simplify, and value all people. We are a company founded on our grit and we are constantly looking to the future. As an ever-evolving group of entrepreneurs and technologists, we strive to do the right thing period in all aspects of our work. We are a subsidiary of PROG Holdings (NYSE: PRG),
Posted 60+ days ago | Updated 10 hours ago

Lead Substation Physical Engineer

Leidos

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Remote

Full-time

Are you ready for your next career challenge? We are in search of a Lead Substation Physical Engineer to join our diverse and fast-paced Atlanta, GA organization. As a core team member, you will be interacting with other electric utility disciplines, playing a valuable part in leading and designing high voltage utility substation projects. Our recognition as an industry leader is confirmed by the latest national rankings by Engineering News-Record (ENR) ranking Leidos within the Top 10 T&D Firms
Posted 60+ days ago | Updated 10 hours ago