Project Manager

Who We Are Golden Queen Mining Co., LLC (the "Company") operates a gold and silver, open pit, heap leach operation on its Soledad Mountain property, located just outside the town of Mojave in Kern County in southern California. The Project uses conventional open pit mining methods and the cyanide heap leach and Merrill-Crowe processes to recover gold and silver from crushed, agglomerated ore. Where We Are Golden Queen Employees live in several surrounding communities such as Boron, California City, Lancaster, Mojave, Palmdale, Ridgecrest, Rosamond, Tehachapi, and Victorville. Mojave is known as the city of "Golden Crossroads" because it is located at the nexus of the California Highways 14 and 58. These crossroads are a gateway to the destinations of commerce and tourism in the San Joaquin Valley, Mammoth, the Eastern Sierras, Las Vegas, the Eastern Mojave Desert, and the Los Angeles Basin. Enjoy outdoor activities? Outdoor enthusiasts will enjoy Murray Family Farms, Lori Brock Discovery Center, R/C Flying, EAA Chapters, Willow Springs International Raceway, Red Rock Canyon State Park, Mammoth Mountain Ski Resort, Mountain High Ski Resort, Mount Whitney, Santa Monica Pier, Saddleback Butte State Park, Trona Pinnacles, Pacific Crest Trail, Sequoia National Forest, multiple beach venues and much more! Enjoy theme parks? Nearby theme parks include Disneyland, Universal Studios, Knott's Berry Farm, and Magic Mountain. Enjoy the arts? Art enthusiasts will find local museums (historic, mining, and aerospace), the Lancaster Performing Arts Center, The Huntington Library and Botanical Gardens, Antelope Valley Fairgrounds, and California Poppy Festival. Enjoy shopping? Nearby you can find several shopping venues such as the Antelope Valley Mall, Valley Plaza Mall, Westfield Mall, Glendale Galleria, Ontario Mills Mall and Outlets at Barstow. Who You Are Golden Queen Mining Company is seeking an experienced Project Manager to lead and deliver capital and operational projects supporting mine infrastructure and heap leach operations. This role is responsible for managing projects from planning through completion, ensuring they are delivered safely, on time, within budget, and in compliance with regulatory and environmental standards. This is a safety sensitive position. As the Project Manager you report to Operations Manager. What You Do Manage full project lifecycle: planning, execution, monitoring, and closeout Develop scopes, budgets, schedules, and resource plans Monitor KPIs and operational metrics to identify gaps and improvement opportunities. The position plays a key role in driving operational excellence by promoting continuous improvement, process efficiency, and high-performance execution across all project activities Track progress, risks, costs, and timelines Support commissioning, startup, and system integration Oversee heap leach pad construction and plant expansions Coordinate earthworks, liner systems, piping, ponds, and drainage systems Ensure QA/QC for civil, geotechnical, and containment work Manage contractor performance and field execution Mitigate risks related to stability, drainage, and system integrity Enforce strong safety culture and

MSHA/OSHA

compliance Ensure adherence to all state and Federal environmental permits and engineering standards Facilitate adoption of new processes and technologies through structured change management strategies. Conduct hazard analysis and coordinate inspections and permits Develop and manage budgets, forecasts, and capital plans Review invoices, change orders, and procurement activities Identify cost-saving opportunities while maintaining quality and safety Manage contractors, vendors, and procurement activities Coordinate with operations, engineering, environmental, and safety teams Lead meetings, provide updates, and resolve field issues Maintain project documentation, QA/QC records, and closeout packages Provide regular progress reports and capture lessons learned What You Bring Bachelor's degree in engineering, Construction Management, or related field (or equivalent experience) 5-8+ years of project management in mining, heavy civil, or industrial construction Experience with heap leach systems, crushing, refinery plants, earthworks, or mine infrastructure Knowledge of MSHA regulations and environmental compliance Proficiency in Microsoft Office and project scheduling tools Experience in surface mining and heap leach operations PMP certification Background in civil, mining, or construction engineering Experience managing multiple projects and contractor QA/QC What We Offer We offer a competitive and comprehensive compensation and benefits package, which includes the following: 401K with Company Matching

PPO & HMO

Health Insurance Plans 9 Paid Holidays Vacation Accruals Location & Relocation Must be willing to relocate to Southern California. The Company offers a competitive compensation and benefits package. Relocation assistance will be provided if necessary. Notice to recruitment and/or staffing firms: The Company will not pay any fees for recruitment activities related to the hiring of a candidate for any position unless a services agreement has been entered into between the recruitment and/or staffing firm. Go to www.goldenqueenllc.com for information on the Company and the Project.