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Senior System Engineer Jobs in Missouri (NOW HIRING)

Catapult Solutions Group

Senior System Engineer

Monett, MO · On-site +1

$90K - $124K/yr

Senior System/Network Engineer Department: IT Infrastructure Location: Fully Remote (must be able to work Eastern or Central time hours) Role Type: Contract - 9 months, with potential to extend to 12 ...

Jobtailor

Senior System Engineer

California, MO · On-site

$90 - $120/hr

Document maintenance for all computer systems and network infrastructure * Communication with customers as required * Be available for other engineers and coach them to resolution * Lead and train ...

Esri

$100K - $137K/yr

As a Senior System Engineer, you will architect and optimize enterprise scale geospatial systems across complex, secure environments. You will guide customers on deployment strategies, high ...

Esri

$100K - $137K/yr

Broad system administration experience on Windows and/or Linux * Working knowledge of at least one scripting or programming language (such as Python, PowerShell, Javascript, C#) * Familiarity with ...

Jobgether

$80K - $110K/yr

As a Senior System Engineer, you will help build and operate the core networking layer of a large-scale cloud infrastructure platform. You will work on the Virtual Private Cloud environment that ...

Esri

Sr. System Engineer- ArcGIS

Saint Louis, MO · On-site

$156K - $239K/yr

Broad system administration experience on Windows and/or Linux * Working knowledge of at least one scripting or programming language (such as Python, PowerShell, Javascript, C#) * Familiarity with ...

O'Reilly Auto Parts

Senior Systems Engineer

Springfield, MO · On-site

$98K - $134K/yr

The Senior System Engineer designs, implements, and supports enterprise infrastructure solutions with a primary focus on the IBM i platform. This role partners with business and IT teams to evaluate ...

IC-CAP LLC

System Engineer (Senior) 112-131

Saint Louis, MO · On-site

$101K - $139K/yr

System Engineer (Senior) provides system engineering, systems integration, project management, process and schedule documentation support. The N2W Deployment Systems Engineer will support the ...

Academy Bank

Sr Systems Engineer

Kansas City, MO · On-site +1

$115K/yr

Summary The Sr Systems Engineer is responsible for designing, implementing, and managing cloud solutions to meet the organization's business requirements. This role involves collaborating with ...

Academy Bank

Sr Systems Engineer

Kansas City, MO · On-site

$115K/yr

Summary The Sr Systems Engineer is responsible for designing, implementing, and managing cloud solutions to meet the organization's business requirements. This role involves collaborating with ...

Boeing

Senior Systems Engineer - Product Owner

Berkeley, MO · On-site

$164K - $223K/yr

By driving system integration, testing, and verification, the Senior Systems Engineer will ensure seamless performance and adherence to stringent customer standards while collaborating with a diverse ...

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All JobsSystem Engineer JobsSenior System Engineer JobsSenior System Engineer Jobs in Missouri

Senior System Engineer information

See Missouri salary details

$52.5K

$117K

$165.1K

How much do senior system engineer jobs pay per year?

As of Aug 22, 2026, the average yearly pay for senior system engineer in Missouri is $116,999.00, according to ZipRecruiter salary data. Most workers in this role earn between $98,000.00 and $134,100.00 per year, depending on experience, location, and employer.

What is a senior system engineer?

Senior System Engineers are experienced IT professionals responsible for designing, implementing, managing, and maintaining complex computer systems and networks within an organization. They play a critical role in ensuring the stability, security, and scalability of IT infrastructure. Their tasks often include troubleshooting system issues, optimizing performance, overseeing upgrades, and mentoring junior engineers. Senior System Engineers typically collaborate with other IT teams and departments to support business objectives and technological needs.

What are some common challenges faced by senior system engineers when managing large-scale IT infrastructure projects?

Senior System Engineers often encounter challenges such as coordinating with cross-functional teams, ensuring system scalability, and maintaining high availability during upgrades or migrations. Managing complex environments requires balancing security, performance, and compliance, all while minimizing downtime. Effective communication and proactive planning are crucial to successfully navigating these challenges and delivering robust solutions that meet organizational needs.

What are the key skills and qualifications needed to thrive as a senior system engineer, and why are they important?

To thrive as a Senior System Engineer, you need advanced knowledge of system architecture, network administration, and troubleshooting, often supported by a degree in computer science or a related field and several years of experience. Familiarity with tools like VMware, Linux/Windows servers, cloud platforms (AWS, Azure), and certifications such as CompTIA, Cisco, or Microsoft are commonly expected. Strong problem-solving, project management, and communication skills help you lead teams and handle complex technical challenges. These skills are crucial for ensuring system reliability, security, and efficient operation in dynamic IT environments.

What is the difference between Senior System Engineer vs Network Engineer?

AspectSenior System EngineerNetwork Engineer
CredentialsBachelor's in Computer Science or related, certifications like CompTIA Network+, Cisco CCNABachelor's in Computer Science, certifications like Cisco CCNA, CCNP
Work EnvironmentDesigning, implementing, and maintaining IT systems and infrastructureDesigning, deploying, and managing network infrastructure and security
Industry UsageIT, technology, enterprise environmentsTelecommunications, IT, enterprise networks
Common Search/ComparisonSenior System Engineer vs Network Engineer

While both roles require networking knowledge and certifications, Senior System Engineers focus on overall system architecture and integration, whereas Network Engineers specialize in network infrastructure and security. The roles often overlap but serve different core functions within IT teams.

What are the most commonly searched types of System Engineer jobs in Missouri?

The most popular types of System Engineer jobs in Missouri are:

What cities in Missouri are hiring for Senior System Engineer jobs?

Cities in Missouri with the most Senior System Engineer job openings:

Senior System Engineer jobs near you
Infographic showing various Senior System Engineer job openings in Missouri as of August 2026, with employment types broken down into 1% As Needed, 82% Full Time, 13% Part Time, and 4% Contract. Highlights an 91% Physical, 2% Hybrid, and 7% Remote job distribution, with an average salary of $116,999 per year, or $56.2 per hour.

Senior System Engineer

Catapult Solutions Group

Monett, MO • On-site, Remote

$90K - $124K/yr

Contractor

Posted 11 days ago

Job description

Senior System/Network Engineer
Department: IT Infrastructure
Location: Fully Remote (must be able to work Eastern or Central time hours)
Role Type: Contract - 9 months, with potential to extend to 12 months or longer.
About Our Client
Our client is a financial technology company providing payment processing and technology solutions to the financial services industry, serving more than 9,000 customers nationwide with a portfolio of 300+ products. The company has supported remote work for its associates even before it became an industry norm, while still maintaining an active, connected office culture through regular team events and celebrations. Associates can expect a collaborative environment that balances serious, high-availability technical work with a strong emphasis on team culture and employee engagement.
Job Description
Under minimal supervision, the Senior System/Network Engineer is responsible for designing and maintaining systems that ensure acceptable availability, stability, and response time for customers. This includes systems spanning the data center, network, operating system, product development, mail server, application server, and groupware environments. The role carries significant ownership - from architecting infrastructure solutions to writing the security policies and procedures that govern them - and requires sound independent judgment when evaluating complex, variable technical problems.
This position also includes participation in a 24x7 on-call support rotation, as well as ownership of backup/restore testing and periodic disaster recovery (DR) plan testing. The Senior System/Network Engineer will work alongside other support groups on server-based applications, evaluate new technology solutions, and provide limited field supervision of technical objectives. Experienced engineers in this role are also expected to mentor and assist less experienced peers.
Duties and Responsibilities
  • Designs and architects IT infrastructure solutions.
  • Designs networks, such as LAN, WAN, Internet, and/or data networks.
  • Proposes and implements system enhancements (software and hardware updates) to improve system performance and reliability.
  • Performs advanced troubleshooting of concurrent and internally/externally reported system problems.
  • Writes environment security policies.
  • Writes system procedures, policies, and guidelines.
  • Participates in on-call 24x7 support rotation.
  • Manages and performs essential functions required for effective system backup and restore testing.
  • Manages and performs periodic recovery testing of DR plans.
  • May assist support groups with applications installed on various servers.
  • Evaluates and recommends technology solutions for potential purchase to drive enhancements and efficiencies.
  • Performs limited field supervision of technical objectives.
  • Assists and mentors less experienced peers.
Required Experience/Skills
  • Minimum of six to nine years of experience in systems/network administration or a related field, or an equivalent combination of education and experience.
  • Demonstrated ability to resolve complex issues and work on complex, diverse projects requiring in-depth evaluation of variable factors.
  • Excellent knowledge of IT infrastructure concepts and principles.
  • Able to design and architect IT infrastructure systems.
  • Able to evaluate and recommend sound technology solutions.
  • Able to troubleshoot and resolve customer problems in a timely manner.
  • Excellent verbal and written communication skills, with strong customer interaction skills.
  • Able to work extended and/or flexible hours/shifts as business needs dictate.
  • Able to lift up to 75 lbs.
  • Able to travel occasionally, including overnight, as needed.
Nice-to-Haves
  • Applicable industry standard certification(s).
  • Basic knowledge of products offered by the client.
  • Bachelor's degree (BA/BS).
Education
  • Associate's degree or equivalent required; Bachelor's degree (BA/BS) preferred.
Working Conditions
  • Data center environment with below-normal temperatures.
  • Extended and flexible hours/shifts as business needs dictate.
  • Ability to lift up to 75 lbs.
  • Occasional overnight travel required.
Call-to-Action
Ready to bring your systems and network engineering expertise to a high-impact, fast-paced environment? Apply now to be considered for this fully remote contract opportunity!
Keywords: Systems Engineer | Network Engineer | IT Infrastructure | LAN/WAN | Disaster Recovery | 24x7 On-Call | Data Center | Remote Contract | Senior Engineer | Fintech

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