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Senior Unix Engineer Jobs in Missouri (NOW HIRING)

ENGR SR SOFTWARE DEVT

Saint Louis, MO · Remote

$119K - $157K/yr

Senior Software Engineer 3M Health Care is now Solventum At Solventum, we enable better, smarter ... Experience developing code for a Linux/Unix based operating system. * Experience developing and ...

ENGR SR SOFTWARE DEVT

Kansas City, MO · Remote

$119K - $157K/yr

Senior Software Engineer 3M Health Care is now Solventum At Solventum, we enable better, smarter ... Experience developing code for a Linux/Unix based operating system. * Experience developing and ...

ENGR SR SOFTWARE DEVT

Saint Louis, MO · Remote

$119K - $157K/yr

Senior Software Engineer 3M Health Care is now Solventum At Solventum, we enable better, smarter ... Experience developing code for a Linux/Unix based operating system. * Experience developing and ...

Java Developer

Lake Saint Louis, MO · On-site

$48.25 - $62.50/hr

Onsite Sr. Java Developer Location: St. Louis, MO In short, I require ::-- Java , spring boot ... Unix Shell Scripting and Linux/MacOs Experience • Knowledge of AWS is a plus • Git • CI/CD ...

Showing results 41-60

Senior Unix Engineer information

See Missouri salary details

$55.8K

$118.7K

$172.1K

How much do senior unix engineer jobs pay per year?

As of Aug 10, 2026, the average yearly pay for senior unix engineer in Missouri is $118,711.00, according to ZipRecruiter salary data. Most workers in this role earn between $98,000.00 and $134,600.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a senior Unix engineer?

To thrive as a Senior Unix Engineer, you need deep expertise in Unix/Linux system administration, scripting, troubleshooting, and a relevant degree or equivalent experience. Familiarity with automation tools (such as Ansible or Puppet), shell scripting languages (like Bash or Perl), and certifications like RHCE or CompTIA Linux+ is highly valued. Strong problem-solving skills, effective communication, and the ability to mentor junior staff help set top performers apart in this role. These skills ensure reliable systems, smooth operations, and robust support for complex enterprise environments.

What does a senior Unix engineer do?

A Senior Unix Engineer is responsible for designing, implementing, and maintaining Unix-based systems within an organization. They handle advanced troubleshooting, system performance tuning, security configurations, and ensure the reliability and scalability of Unix infrastructure. In addition, they often mentor junior engineers, develop automation scripts, and collaborate with other IT teams to support business operations. Their expertise is crucial for managing large-scale, mission-critical environments.

What is the difference between Senior Unix Engineer vs System Administrator?

AspectSenior Unix EngineerSystem Administrator
CredentialsBachelor's in Computer Science, Unix/Linux certifications (e.g., RHCE, LPIC)Bachelor's in IT or related field, Linux/Unix certifications often preferred
Work EnvironmentDesigning, implementing, and maintaining Unix systems, often in enterprise environmentsManaging daily system operations, troubleshooting, and user support
Industry UsageTech, finance, healthcare, and large enterprisesVaries across industries, including small to large organizations
Search & Comparison IntentFocus on advanced Unix skills and system designFocus on operational support and system maintenance

The main difference is that Senior Unix Engineers focus on designing and optimizing Unix systems, while System Administrators handle daily operations and support. Both roles require similar certifications and work in related environments, but their responsibilities differ in scope and complexity.

What are some of the most common challenges faced by senior Unix engineers in a large enterprise environment?

Senior Unix Engineers in large enterprises often face challenges related to managing complex, heterogeneous server environments and ensuring high availability. Balancing routine maintenance, security patching, and system upgrades with the need to minimize downtime can be demanding. Additionally, staying up to date with evolving technologies and scripting languages, while coordinating with cross-functional teams like network, storage, and application groups, requires strong communication and problem-solving skills.
What are popular job titles related to Senior Unix Engineer jobs in Missouri? For Senior Unix Engineer jobs in Missouri, the most frequently searched job titles are:
What job categories do people searching Senior Unix Engineer jobs in Missouri look for? The top searched job categories for Senior Unix Engineer jobs in Missouri are:
What cities in Missouri are hiring for Senior Unix Engineer jobs? Cities in Missouri with the most Senior Unix Engineer job openings:
Infographic showing various Senior Unix Engineer job openings in Missouri as of August 2026, with employment types broken down into 93% Full Time, 2% Part Time, and 5% Contract. Highlights an 86% Physical, 5% Hybrid, and 9% Remote job distribution, with an average salary of $118,711 per year, or $57.1 per hour.

ENGR SR SOFTWARE DEVT

Healthcare

Saint Louis, MO • Remote

$119K - $157K/yr

Full-time

Medical, Dental, Vision, Life, Retirement

Re-posted 28 days ago


Job description

Thank you for your interest in joining Solventum. Solventum is a new healthcare company with a long legacy of solving big challenges that improve lives and help healthcare professionals perform at their best. At Solventum, people are at the heart of every innovation we pursue. Guided by empathy, insight, and clinical intelligence, we collaborate with the best minds in healthcare to address our customers' toughest challenges. While we continue updating the Solventum Careers Page and applicant materials, some documents may still reflect legacy branding. Please note that all listed roles are Solventum positions, and our Privacy Policy: https://www.solventum.com/en-us/home/legal/website-privacy-statement/applicant-privacy/ applies to any personal information you submit. As it was with 3M, at Solventum all qualified applicants will receive consideration for employment without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

Job Description:

Senior Software Engineer

3M Health Care is now Solventum

At Solventum, we enable better, smarter, safer healthcare to improve lives. As a new company with a long legacy of creating breakthrough solutions for our customers' toughest challenges, we pioneer game-changing innovations at the intersection of health, material and data science that change patients' lives for the better while enabling healthcare professionals to perform at their best. Because people, and their wellbeing, are at the heart of every scientific advancement we pursue.

We partner closely with the brightest minds in healthcare to ensure that every solution we create melds the latest technology with compassion and empathy. Because at Solventum, we never stop solving for you.

The Impact You'll Make in this Role
As a Software Engineer you will have the opportunity to tap into your curiosity and collaborate with some of the most innovative and diverse people around the world. Here, you will make an impact by:

  • Being an active member of a scrum team by participating in all phases of SDLC, including design, software development and code reviews.

  • Working with fellow software engineers, software architects, quality (QA) engineers, full-stack developers, and other engineering/development team members to design and build required systems.

  • Coordinating and communicating with clinical analysts, product analysts, quality analysts, and other software engineers.

  • Contributing to Security and Risk assessments to aid in the deployment of application components in Production.

  • Interacting with customers to resolve operational problems and determine customer requirements, as well as a willingness to be on-call.

Your Skills and Expertise
To set you up for success in this role from day one, Solventum requires (at a minimum) the following qualifications:

  • Bachelor's Degree or higher AND Five (5) years of software development experience.

OR

  • High School Diploma/GED from AND Ten (10) years of software development experience.

AND

In addition to the above requirements, the following are also required:

  • Five (5) years of software development experience using one or more of the following: Java, C# or Python in a private, public, government or military environment.

  • 1 year experience with relational SQL / NoSQL databases.

  • 1 year of experience with cloud architecture, particularly AWS, web application security and development of large-scale hosted applications.

Additional qualifications that could help you succeed even further in this role include:

  • Master's or Bachelor's degree in Computer Science, Computer Science Engineering, or related discipline from an accredited institution.

  • Demonstrated skills in software engineering methodology in an Agile environment, including documentation, configuration management, unit and integration testing, continuous integration with verification and validation.

  • Demonstrated problem solving and analysis skills with the ability to work independently and with distributed teams.

  • Experience with AWS serverless technologies such as Lambda/Step Functions.

  • Experience developing code for a Linux/Unix based operating system.

  • Experience developing and delivering commercial enterprise software using solid software design principles and architectural patterns and delivering projects within defined timelines and scope requirements.

Work location:

  • Remote

Travel: May include up to 20% domestic

Relocation Assistance: May be authorized

Must be legally authorized to work in country of employment without sponsorship for employment visa status (e.g., H1B status).

Supporting Your Well-being

Solventum offers many programs to help you live your best life - both physically and financially. To ensure competitive pay and benefits, Solventum regularly benchmarks with other companies that are comparable in size and scope.

Onboarding Requirement: To improve the onboarding experience, you will have an opportunity to meet with your manager and other new employees as part of the Solventum new employee orientation. As a result, new employees hired for this position will be required to travel to a designated company location for on-site onboarding during their initial days of employment. Travel arrangements and related expenses will be coordinated and paid for by the company in accordance with its travel policy. Applies to new hires with a start date of October 1st 2025 or later.Applicable to US Applicants Only:The expected compensation range for this position is $106,000 - $145,750, which includes base pay plus variable incentive pay, if eligible. This range represents a good faith estimate for this position. The specific compensation offered to a candidate may vary based on factors including, but not limited to, the candidate's relevant knowledge, training, skills, work location, and/or experience. In addition, this position may be eligible for a range of benefits (e.g., Medical, Dental & Vision, Health Savings Accounts, Health Care & Dependent Care Flexible Spending Accounts, Disability Benefits, Life Insurance, Voluntary Benefits, Paid Absences and Retirement Benefits, etc.). Additional information is available at: https://www.solventum.com/en-us/home/our-company/careers/#Total-RewardsResponsibilities of this position include that corporate policies, procedures and security standards are complied with while performing assigned duties.

Solventum is committed to maintaining the highest standards of integrity and professionalism in our recruitment process. Applicants must remain alert to fraudulent job postings and recruitment schemes that falsely claim to represent Solventum and seek to exploit job seekers.

Please note that all email communications from Solventum regarding job opportunities with the company will be from an email with a domain of @solventum.com. Be wary of unsolicited emails or messages regarding Solventum job opportunities from emails with other email domains.

Please note, Solventum does not expect candidates in this position to perform work in the unincorporated areas of Los Angeles County.Solventum is an equal opportunity employer. Solventum will not discriminate against any applicant for employment on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, or veteran status.

Please note: your application may not be considered if you do not provide your education and work history, either by: 1) uploading a resume, or 2) entering the information into the application fields directly.

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