Columbus Mainframe systems engineer Jobs – 1 Openings This Week

Assembler Specialist
Alithya —Pickering, ON
- $130,000–$160,000 a year
- Part-time
- Hybrid work
- English
- AI
- Tuition reimbursement

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Assembler Specialist
Alithya —Pickering, ON
As an experienced Assembler Specialist, you’ll provide hands‑on code changes and technical oversight for an installed Varian 72–based digital control computer,…
$130,000–$160,000 a year

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Assembler Specialist

Alithya -
Pickering, ON

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Job details

Part-time
$130,000–$160,000 a year

Qualifications

English
Software quality assurance
AI

Full job description

Our mission, your future

As a global network of trusted advisors, we create cutting-edge technological solutions to overcome today’s challenges and anticipate tomorrow’s needs. It all starts with the collaboration of a diverse team of passionate innovators, each driven to make a difference. Together, we challenge the status quo and push each other to new heights.

Ready to leave your mark on engaging mandates and shape the future through digital transformation and strategic consulting? Take your ambitions to the next level and discover your next exciting challenge with us!

Ontario region pay information

The salary range for this position in Ontario is $130,000 to $160,000. The determination of an applicant’s base salary within this range is based on the individual’s location, skills and competencies, and unique qualifications.

Notice on the use of artificial intelligence in our recruitment process

To ensure our hiring process is transparent, we want to inform all applicants that we utilize Artificial Intelligence (AI) technologies, including those integrated into our recruitment vendors’ platforms. We are committed to an equitable process where applicants are evaluated based on job-related knowledge, skills, and abilities. AI technologies do not replace human judgment in the candidate selection process. All final hiring decisions are made by our hiring managers and recruitment teams.

Your role, your impact

Alithya Engineering is growing to keep up with the digitalization demands from our clients. As an experienced Assembler Specialist, you’ll provide hands‑on code changes and technical oversight for an installed Varian 72–based digital control computer, including design reviews, patch development, test planning, commissioning support, and documentation needed for operation in a regulated, safety‑related environment.

Your day-to-day

Act as a subject matter expert for making changes to Varian-based computer systems and software;
Assess and plan: Review current system architecture, codebase, and documentation, update computer system design documentation, and identify technical risks and test strategies;
Design and implement assembler‑level patches and small feature changes;
Technical oversight: Provide peer reviews, code reviews, and design reviews, and mentor client/partner engineers on best practices for legacy systems within modern governance;
Verification and commissioning: Support test planning and FAT/SIT executions.

Keys to your success

5 to 10 years in low‑level assembler on minicomputers/mainframes or comparable embedded environments with interrupt‑driven I/O;
Experience with real‑time tasking, priority scheduling, determinism, latency budgets, watchdog/error handling, and I/O scanning in process control environments;
Experience with safety-critical and safety-related software quality assurance lifecycle;
Proficient in at least one of the following: Varian 72 assembly, PDP‑11 (MACRO‑11), PDP‑8, or comparable mainframe/minicomputer assembler (e.g., IMD/IBM‑1800 class);
Demonstrated ability to reverse engineer legacy assembly and apply “surgical” patches to correct defects or add minor capabilities without destabilizing the existing executive/user programs;
Ability to read, reason about, and patch existing assembly with tight timing constraints and interrupt‑driven I/O;
Strong grasp of linkers, loaders, memory maps, overlay schemes, interrupt vectors, DMA, device handlers, and concurrency/scheduling on cooperative or simple pre-emptive executives;
Eligible to obtain CSIS Site Access security clearance for nuclear facilities.

Extra edge

Experience in the nuclear industry;
Experience on PDP‑11/PDP‑8, IMD/IBM‑1800‑class systems, or any low‑level assembler on comparable architectures;
Demonstrated delivery of engineering documentation packages.

Language skills

English: Proficient

Our offer

Balance that works for you: Work-life balance helps us stay at our best. With flexible work options and our Unlimited Vacation Plan, you can rest and recharge when you need it most.

Support for your well-being: Our benefits are designed with optimal health and wellness in mind. You’ll have access to 24/7 virtual healthcare, as well as an extensive wellness portal that provides tools and resources to support your physical, mental, emotional and financial well-being.

Continuous growth and learning: Through partnerships with world-renowned education leaders, we provide access to thousands of top-rated online courses and certifications. With exclusive leadership programs and a tuition reimbursement program for external training, we set you up to achieve your ambitions.

Ownership with opportunity: Through our Employee Share Purchase Plan with matched contributions, you become a shareholder, directly benefiting from our collective achievements.

Our commitments

Our authenticity is our strength: The diversity of our backgrounds, experiences, thoughts and insights is our competitive advantage. We foster a collaborative environment where we embrace our authenticity and leverage our unique perspectives to collectively build the future we all envision.

An inclusive path to success: Fostering an environment where you can thrive starts with ensuring an accessible recruitment process. If you require any accommodations , we welcome you to contact us. For more information, please visit our accessibility page: https://www.alithya.com/en/accessibility .

Apply Now

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