Systems Engineer
$125k - $163kEnsono
About the role and what you’ll be doing The AIX Expert System Engineer is a senior technical authority responsible for the architecture, engineering, optimization, and strategic evolution of IBM AIX and Power Systems environments. This role serves as the highest level of technical expertise, owning complex platform decisions, large‑scale migrations, performance engineering, automation, and resiliency design for business‑critical workloads. Responsibilities Platform Architecture & Engineering Act as technical owner and subject‑matter expert (SME) for IBM AIX and Power Systems platforms Design, architect, and standardize enterprise‑scale AIX and pSeries environments Define and maintain architecture standards, build patterns, and best practices Provide expert guidance for capacity planning, scalability, and platform modernization Review and approve complex designs related to compute, storage, virtualization, and networking IBM Power & Virtualization Expertise Deep expertise in PowerVM, VIOS, and advanced AIX virtualization Architect and manage HMC environments (v9 & v10) Architecture and management of Power8, Power9, and Power10 systems Manage DLPAR, LPM, NPIV, virtual networking, virtual storage, SR‑IOV, vNIC adapters Lead VIOS architecture, build, upgrade, and high‑availability design Perform pSeries hardware commissioning, refresh, and consolidation projects Lifecycle Management & Migrations Lead AIX OS lifecycle management, including upgrades, patching, and kernel tuning Architect and execute AIX OS migrations (6.1 → 7.1 → 7.2 → 7.3) Manage hardware refresh and data center migrations Lead storage and SAN migrations Own and optimize NIM (Network Installation Manager) design and usage Design zero‑downtime or minimal‑impact migration strategies Performance, Reliability & Resilience Perform advanced performance analysis, workload optimization, and tuning Design high availability, fault tolerance, and resiliency models Define and govern Disaster Recovery (DR) and Business Continuity (BC) strategies Analyze platform risks and implement proactive mitigations Define monitoring standards and performance KPIs Incident, RCA & Problem Management Act as final escalation authority for critical and recurring AIX incidents Lead Major Incident Management (MIM) and complex RCA investigations Perform trend analysis, identify systemic issues, and drive long‑term fixes Coordinate with IBM and hardware/storage vendors for deep technical resolutions Automation & Continuous Improvement Drive automation‑first strategy for AIX operations Develop and review Shell, Perl, and Python automation frameworks Integrate automation with Ansible or enterprise orchestration tools Reduce manual effort, improve consistency, and enhance platform reliability Governance, Documentation & Compliance Ensure adherence to ITIL, security, audit, and compliance requirements Define technical governance and change standards for the AIX platform Author and maintain architecture documents, SOPs, runbooks, and KB articles Support audits and ensure platform compliance with enterprise policies Leadership, Consulting & Mentoring Provide expert consultation to stakeholders, architects, and senior leadership Mentor and technically guide L3 engineers and system architects Support complex client engagements, audits, and transformation programs Communicate complex technical concepts to non‑technical audiences Required Skills & Experience 12–15+ years of hands‑on experience in IBM AIX and Power Systems Expert‑level knowledge of AIX OS administration and kernel internals PowerVM, VIOS, and HMC expertise pSeries architecture mastery Strong expertise in SAN storage, HA, DR, and enterprise networking Proven experience leading large‑scale migrations and transformations Advanced shell scripting and automation skills Excellent troubleshooting and analytical capabilities Preferred Qualifications IBM Certifications in AIX System Administration, Power Systems/pSeries Hardware, Performance Tuning, and Network Administration Experience in mission‑critical, regulated, or global enterprise environments Exposure to hybrid cloud or IBM Power on Cloud architectures Professional Attributes Strategic thinker with strong technical depth Calm and decisive during critical outages Excellent communication and documentation skills Strong ownership mindset with attention to detail Collaborative leader and trusted technical advisor Comfortable working in rotational on‑call models when required Benefits Unlimited Paid Days Off Three health plan options 401(k) with company match Eligibility for dental, vision, short and long‑term disability, life and AD&D coverage, and flexible spending accounts Family Forming Benefit including fertility coverage and adoption/surrogacy reimbursement Paid childbearing and paternal leave Education Reimbursement, Student Loan Assistance or 529 College Funding Sabbatical leave Wellness program Flexible work schedule Compensation Estimated pay for this role is $125,000 to $163,000 annually based on a full‑time schedule. Base salary and additional compensation such as an annual bonus plan and equity grant are subject to eligibility and business needs. Equal Opportunity Employer Ensono is an Equal Opportunity/Affirmative Action employer. We are committed to providing equal employment to our Associates and building a diverse and inclusive workforce. All qualified applicants will be considered without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, disability, or other legally protected basis, in accordance with applicable law. Pay Transparency Statement Pay transparency nondiscrimination statement/posting OFCCP’s pay transparency policy can be found on OFCCP’s website ( Accessibility If you need accommodation at any point during the application or interview process, please contact your recruiter or email View email address on click.appcast.io. JR013758 #J-18808-Ljbffr
$130k - $215k
...A global trading firm is seeking a Trading Engineer - Execution in Chicago. You will ensure the continuity of critical trading operations, develop automation tools, and partner with technology teams. The ideal candidate has over 3 years of experience in Site Reliability...Suggested$215.4k - $278.7k
...The FortiCNAPP Systems Engineer is responsible for technical sales support within the Fortinet direct sales organization. Typical activities include product demonstrations, objection handling, and champion building with potential customers. As a trusted technical advisor...Suggested- ...Systems Engineer (Mid-Level) will work SpiderRock’s established engineers and leadership to help build and scale the core infrastructure that powers our trading platform. This role will take tough systems problems, write high-performance code, and understand how software...SuggestedFull timeTemporary workWork experience placementWork at office
$111.1k - $170.3k
...A retail company seeks a Payment Systems Engineer in Lincolnshire, IL (Hybrid) to build an enterprise payments platform. Responsibilities include designing and maintaining payment services using C# and .NET/.NET Core, integrating with payment processors, and troubleshooting...Suggested$300k
...Join to apply for the Market Data System Engineer role at Quanta Search 2 days ago Be among the first 25 applicants Join to apply for the Market Data System Engineer role at Quanta Search Our client is a leading Market Maker. As a Market Data Systems Engineer on their...SuggestedFull timeRemote work- ...businesses that keep them one step closer to their customers and one step ahead of the competition. Job Description Job Summary Senior Systems Engineer is responsible for resolving escalated service incidents and complex requests, coaching other engineers, leading...Work at office
$95k - $130k
...Location: Colorado Springs, CO Remote Status: Remote Job Id: 13690-CPAW # of Openings: 1 Auria Innovations is seeking a talented Systems Engineer to design and test web, mobile, and desktop applications for aerospace mission planning and scheduling. The Systems Engineer...Ongoing contractContract workRemote workFlexible hours- ...problem-solving skills, and the ability to mentor junior team members. You will be responsible for developing applications, ensuring system reliability, and collaborating with cross-functional teams. If you thrive in a dynamic environment and are passionate about...
$80.3k - $95k
...will be between $80,297-95,000 per year. Northwestern University's IT Cyberinfrastructure Platform Services team is seeking a Systems Engineer to support the design, implementation, and maintenance of multi-tier enterprise application environments. This role provides hands...Work at office- ...CommVault Systems Engineer (Data Protection / Backup) Employment Type: Full-Time, Experienced Department: Technology Support CGS is seeking an experienced CommVault Data Protection Engineer with extensive knowledge and experience in designing, developing, configuring,...Full timeFlexible hours
$95.93k - $110k
...computer clusters/servers and software. Day‑to‑day operations of the systems including system administration, monitoring and storage... ...Qualifications Bachelor’s degree in Computer Science, Electronics Engineering, or a closely related field. Five years of progressive...Contract workWork at officeLocal area$125k - $145k
...Utilize estimating software such as Accubid to generate accurate and competitive bids. Work closely with project managers, engineers, architects, contractors, and suppliers to ensure that projects are accurately estimated and budgeted. Participate in pre-construction...Permanent employmentFor contractorsLocal area$108.7k - $181.1k
...CME Chicago Mercantile Exchange Inc. is looking for a Sr Systems Engineer to support Reliability Engineering and Operations. This role requires strong knowledge of Windows server administration, with responsibilities including system configuration, troubleshooting, and...Shift work- ...A consulting engineering firm in Chicago is seeking a Power Systems Engineer to lead utility planning and advisory projects. The ideal candidate will have a BS/MS in Electrical Engineering and 3+ years of experience in power systems engineering. Responsibilities include...
- ...Radix Trading is seeking a seasoned HPC Systems Engineer with a passion for Linux, HPC systems and research infrastructure to join us. This role requires the ability to quickly troubleshoot and resolve technical issues, navigate networking and system alerts, and collaborate...
- ...Employment Type: Contract with potential to convert to Full-Time - W2 Only Role Overview Reporting to the Director of IT, this Senior Systems Engineer will play a lead role in architecting, deploying, and managing enterprise-grade Kubernetes environments across AWS and GCP....Full timeContract work
$150k - $175k
...Systems Engineer $150000 - $175000 per year | Chicago, IL | On-site | Permanent Linux Eng for Trading firm A bit about us: The firm focuses heavily on proprietary trading platform development, market innovation, and high-performance infrastructure. They operate with an...Permanent employmentLocal area- ...blueStone Recruiting is a national search firm specialized in IT. Job Description Our client, located in River North, is hiring a Systems Engineer to assist with the administration and maintenance of our Linux hosting environments. In this role, you will work closely with...
$150k - $300k
...Aquatic Capital Management is seeking a Systems Engineer to join our team. Systems Engineer Infrastructure & Research Computing Aquatic Capital Management • Chicago, IL • Full-Time About the Role We are hiring a Systems Engineer to join our Infrastructure team. This is...Full timeCasual work$31 - $39 per hour
...Overview BEPC is seeking a highly motivated Systems Engineer I to join our client’s R&D team. The Systems Engineer will drive requirements definition, risk management, and verification & validation practices in projects, including defining requirements, designing system...Full timeContract work- ...A leading data platform company is seeking a Channel Systems Engineer for National Partners to provide essential technical leadership and training. This role involves collaborating with partner teams to ensure successful deployment of solutions. Candidates should have...
- About Us Innovation. Sustainability. Productivity. This is how we are Breaking New Ground in our mission to sustainably advance the noble work of farmers and builders everywhere. With a growing global population and increased demands on resources, our products are...
$125k - $145k
...homeowners through diverse loan products and a fully digital experience. Job Description Summary We are looking for a Senior Systems Engineer to own enterprise infrastructure and platform services across on‑premises and cloud environments. The role involves designing,...Full timeFlexible hours$112k - $140k
## Senior Systems EngineerApplyremote type: Hybridlocations: Chicago, ILtime type: Full timeposted on: Posted 7 Days Agojob requisition id: JR1022**Job Description:**The Sr. IT Systems Engineer designs, implements, and supports the company’s core infrastructure with a focus...Temporary workCasual workWork at officeNight shiftAfternoon shift3 days per week$86.63k - $132.83k
...Systems Engineer II Innovation. Sustainability. Productivity. This is how we are Breaking New Ground in our mission to sustainably advance the noble work of farmers and builders everywhere. With a growing global population and increased demands on resources, our products...Work at officeFlexible hours$125k - $145k
## Senior Systems EngineerApplylocations: GRI - IL - Chicago - 3940 N Ravenswood: Remotetime type: Full timeposted on: Posted Yesterdayjob... ..., mastery, and purpose.**What’s the Role?**The Senior Systems Engineer is a hands-on technical owner for enterprise infrastructure and...Remote work- ...Senior HPC Operations Engineer | Chicago Join one of the world's most advanced high-performance computing environments supporting cutting... ...quantitative research. We're looking for an experienced HPC Systems Engineer to help operate and scale a large production HPC platform...
- ...trust, which allows us to effectively serve our clients and set the standard for security technology integrators. The Senior Systems Engineer develops solutions and supports the sales & operations teams with proposal generation of security technology systems and implementation...Work at office
$115k - $143.75k
...Senior Systems Engineer Apex Fintech Solutions (Apex) powers innovation and the future of digital wealth management by building tech-forward solutions that help simplify, automate, and facilitate access to financial markets for all. Our robust suite of fintech software...Work experience placementWork at officeWork from homeFlexible hours3 days per week- ...staff with a focus on user satisfaction. Monitor and respond to system events, enhancing monitoring infrastructure as needed.... ...Requirements: Pursuing a BS or MS degree in computer science, engineering, or IT with expected graduation in 2025/2026. Strong understanding...Full timeInternshipWork at officeRemote workAfternoon shift
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Systems Engineer. Be the first to apply!
- operating system engineer Chicago, IL
- computer system validation engineer Chicago, IL
- system performance engineer Chicago, IL
- system engineer contract Chicago, IL
- senior linux systems engineer Chicago, IL
- digital communications systems engineer Chicago, IL
- sr systems engineer Chicago, IL
- application system engineer Chicago, IL
- healthcare systems engineer Chicago, IL
- systems engineer Chicago, IL

