Administrative Assistant Senior
Listed on 2026-01-13
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Administrative/Clerical
Office Administrator/ Coordinator
HF Sinclair Midstream located in Sinclair, WY is seeking an Administrative Assistant Senior. This position provides advanced administrative support and assists in the technical support of department operations.
Job Duties- Prepares and may distribute complex correspondence, reports, studies, forms, invoices, and documents
- Performs daily office support responsibilities (i.e. faxes, copying, filing, labeling, typing, travel arrangements, etc.)
- Processes all department mail (i.e. incoming and outgoing courier, overnight packages, certified mail, etc.)
- Schedules meeting and conference rooms
- Coordinates, orders and manages office supplies and materials as required to support maintenance or other assigned department activities, ensuring smooth operations and accuracy of orders, meeting delivery requirements, and reconciling invoices and delivery receipts
- Compiles and analyzes data, making calculations and preparing reports as requested
- Coordinates work between departmental units and departments; communicates department project information or any other requests
- Develops administrative policies and procedures as required; may research technical and policy issues and assist in the implementation of recommendations
- Researches, designs, and/or edits presentations such as brochures, newsletters, forms, manuals, reports and charts
- Responds to complex inquiries concerning the company or department and screens calls for department management
- Prepares, interprets and distributes information
- Performs duties as department document and record control coordinator including coordinating and maintaining record keeping and filing systems
- Acts as backup for other administrative staff
Special assignments or tasks assigned to the employee by their superior, as determined from timeto time in their sole and complete discretion.
ExperienceA minimum of five years of on-the-job experience is required.
A minimum of a High School Diploma or equivalent is required. PREFERRED EDUCATIONAL LEVEL:
An Associates Degree is preferred.
Strong word processing, database, spreadsheet and other applications skills including Access, Payroll and Purchasing Systems depending on assignment. Ability to write programs within Access required at some locations. Knowledge of office management principles and practices and administrative procedures. Advanced organization skills required. Ability to implement new systems and procedures and to evaluate their effectiveness; supervise others; and effectively interpret plans and procedures.
Team player, self starter, independent worker, good time management and analytical skills and priority setting ability. Ability to effectively communicate with others, both in written and verbal communication; to work independently and perform basic mathematical calculations. Basic reading and writing skills. PREFERRED
SKILLS:
Working knowledge of SAP and EMPAC.
Office based with up to 5% travel by land required. Subject to varying road and weather conditions
HF Sinclair offers a comprehensive benefits package designed to support the well-being of our employees and their families. Our benefits include, but are not limited to, the following:
- Medical Insurance
- Vision Insurance
- Dental Insurance
- Paid Time-Off
- 401(k) Retirement Plan with match
- Educational Reimbursement
- Parental Bonding Time
- Employee Discounts
We are committed to fostering a supportive and inclusive work environment, ensuring our employees have the resources needed to thrive professionally and personally. Benefit eligibility is governed by official plan documents, for more details visit Total Rewards.
Physical RequirementsJob conditions require standing, walking, sitting, twisting, stooping, crouching, kneeling, talking or hearing, making precise hand and finger movements, reaching or grasping. Job conditions may require making visual inspections, lifting and/or carrying up to 25lbs, pushing and/or pulling up to 25lbs, climbing up to 3ft, working in confined spaces, and perceiving color differences.
At HF Sinclair, we are united through our One HF Sinclair Culture, which is underpinned by our five core values of Safety, Integrity, Teamwork, Ownership and Inclusion. Developed to empower our people, our five core cultural values are at the heart of everything we do and extend to how we engage our stakeholders. These values influence our decisions, shape our behaviors and keep us connected across the entire organization.
We maintain a true Safety culture for our employees, communities, environments and customers. Our goal is to make sure everyone returns home safely each day. We have a long-standing commitment to Integrity and ethical behavior and do what is right for our employees, investors, communities and the environment. We encourage employees to Step Up and Stand Out by championing a culture of Teamwork and Ownership.
We foster a culture of Inclusion by encouraging diversity of experiences, viewpoints and backgrounds. What makes each of us different, together makes us…
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