HR Assistant

Marathon Petroleum; Arvada (CO); On-site; USD 74,000 - 116,000; Full time

Benefits offered by this job

Mentorship

Benefits

Flexible schedule

Job summary

Marathon Petroleum in Arvada, CO is seeking an HR Assistant to bring structure to fast-moving business problems. The role offers $74,000 - $116,000 annually, ownership, and a supportive team.

You will drive relationships, standardize processes, and help locate the critical metrics that guide growth, while anchoring accountability and mentorship across the organization. The team values clear communication, careful attention to detail, and a bias for asking the right questions.

Qualifications

• 4+ years building trust the slow, unglamorous way.
• Excellent written and verbal communication skills.
• Mid-level mastery of Attention to Detail, validated by people who'd hire you again.
• Bias toward asking the dumb question before the expensive mistake.
• Comfort being the newest person in the room and the loudest in the notes.

Responsibilities

• Carve a team-oriented workflow down until it runs without your hands on it.
• Build relationships with key accounts to drive long-term value.
• Prioritize the backlog when everything is labeled urgent by someone.
• Coordinate with regional offices to standardize processes across CO.
• Run the comparison that ends the build-versus-partner debate for good.
• Decide the one number this quarter's business effort lives or dies by.
• Pin down the unit economics before Marathon Petroleum pours fuel on growth.
• Defend the budget line by line when Arvada finance comes knocking.

Skills

Leadership

Communication

Attention to Detail

Team Collaboration

Job description

Marathon Petroleum needs a sharp, solutions-focused HR Assistant to bring structure and clarity to fast-moving business problems in Arvada, CO. We're looking for 4+ years of Leadership; in return you'll get $74,000 - $116,000, ownership, and a team worth joining.

Key Responsibilities

• Carve a team-oriented workflow down until it runs without your hands on it
• Build relationships with key accounts to drive long-term value
• Prioritize the backlog when everything is labeled urgent by someone
• Coordinate with regional offices to standardize processes across CO
• Run the comparison that ends the build-versus-partner debate for good
• Decide the one number this quarter's business effort lives or dies by
• Pin down the unit economics before Marathon Petroleum pours fuel on growth
• Defend the budget line by line when Arvada finance comes knocking

What You'll Bring

• A bias toward asking the dumb question before the expensive mistake
• 4+ years building trust the slow, unglamorous way
• Excellent written and verbal communication skills
• Mid-level mastery of Attention to Detail, validated by people who'd hire you again
• Comfort being the newest person in the room and the loudest in the notes

A no-ego Arvada, CO company through, Marathon Petroleum measures success by how invisible its business systems become. Candid, kind feedback is part of the job, and we coach toward growth rather than blame.

We anchor everything in $74,000 - $116,000, then add mentorship, benefits, and the freedom to flex your contract schedule around real life.

We are actively reviewing applications for this HR Assistant role this week.