Sr. Process Control Systems Engineer

Come build your career at Castle Mountain & Mesquite Mines.

Mesquite Mines is Equinox Gold's first‑ever operating mine and a proud cornerstone of our story since 2018. Nestled in the sunny desert of Imperial County, California, this open‑pit gold mine has been running strong since 1986 and has produced over five million ounces of gold and counting. With production expected to continue for years to come, Mesquite offers the stability of a proven operation alongside real opportunities to grow, learn, and make your mark

Castle Mountain is Equinox Gold's exciting 100%-owned gold expansion project in California and one of our most promising growth opportunities in a tier‑one jurisdiction. Castle Mountain is poised to become a cornerstone asset in our portfolio as a long‑life, low‑cost mine producing around 200,000 ounces of gold annually over a 14‑year life. Join our team at this pivotal stage and help shape the future of a mine from the very beginning, with real opportunities to grow your career as the project comes to life

Equinox Gold is a growth‑focused gold producer headquartered in Vancouver, British Columbia, operating a diversified portfolio of high‑quality, long‑life mines across the Americas. Guided by our core values of integrity
, excellence
, accountability
, and teamwork
, we foster a safe, inclusive, and rewarding workplace where a talented, experienced team works together to deliver reliable operations, responsible mining, and long‑term value to its shareholders and host communities

The Senior Control Systems Engineer is the technical authority for PLC, SCADA/HMI, and related control applications across U.S. operations, leading the design, development, optimization, and lifecycle management of plant process‑control systems. The role establishes technical standards and change‑control practices, leads complex troubleshooting, commissioning, and site integrations, and provides technical direction to site personnel, contractors, and system integrators

• Design and develop control strategies, PLC logic, sequencing, interlocks, per missives, alarms, operator interfaces, and system integrations that support safe and efficient plant performance.
• Lead the technical review, testing, approval, documentation, and implementation of process‑control changes in accordance with management‑of‑change and change‑control requirements.
• Lead complex troubleshooting, root‑cause analysis, and resolution of control‑system issues affecting safety, reliability, production, or product quality; provide after‑hours technical escalation for critical incidents, planned outages, and commissioning activities as required.
• Lead or provide technical oversight for plant startups, shutdowns, commissioning, expansions, equipment upgrades, platform migrations, acquisitions, and new‑site integrations; identify and drive control‑system improvements and optimization opportunities in partnership with Plant Operations, Metallurgy, Electrical/Instrumentation, and Maintenance.
• Establish and maintain programming, documentation, backup, configuration‑management, and lifecycle standards across supported sites; evaluate control‑system technologies and recommend architecture, platform standards, upgrades, and replacement strategies for current and future operations.
• Maintain technical ownership of process‑control applications; provide technical direction for work performed by contractors, vendors, and system integrators; and coordinate with IT on shared infrastructure and cybersecurity requirements.
• Provide regular updates to the IT Manager on control‑system performance, risks, incidents, planned changes, and lifecycle priorities.

• Minimum 7 years of progressively responsible experience designing, programming, integrating, commissioning, and supporting industrial process‑control systems in mining, mineral processing, manufacturing, utilities, or another continuous‑process environment. Experience serving as a senior technical resource across multiple sites, platforms, projects, migrations, or acquisitions is strongly preferred.
• Advanced expertise in PLC programming,…