W. M. Keck Observatory


Under the general supervision of the Facilities Supervisor, this position performs custodial maintenance of the WMKO summit facility to ensure a clean and safe working environment.

Essential Functions

  • Organize, prioritize, and perform custodial tasks according to a prescribed listing of daily/weekly/monthly duties for the purpose of maintaining a clean and safe working environment.
  • Utilize WMKO-provided cleaning equipment and tools to maintain a clean and safe working environment.
  • Monitor Headquarters/ VSQ and summit facility cleaning, bathroom, and kitchen supplies and maintain small inventory of such to assure items are available when needed.
  • Change VSQ bed and bath linens as appropriate according to occupancy schedule to provide fresh linens after each guest.
  • Accomplish VSQ, summit, and HQ laundry as required.
  • Move furniture, equipment, and boxes on an as-needed basis to assist others in the performance of their duties.
  • Run errands including purchase and pickup of items at post office, grocery store, hardware store, etc., to provide support to others in the performance of their duties.
  • Drive WMKO fleet vehicles as required.

Additional Responsibilities

  • Perform other duties consistent with the scope of the position.
  • Perform backup support for shipping and receiving as necessary.
  • Provide backup maintenance support as required.
  • Respond as requested to after hour's urgencies and emergencies for HQ custodial and facilities issues.

Required Qualifications

  • Two (2) years' experience in custodial position.

Preferred Qualifications

  • Shipping and receiving experience.
  • Forklift operator experience.
  • Basic maintenance experience.


  • Basic computer skills.
  • Ability to effectively use cleaning tools and equipment.
  • Solid working knowledge of janitorial procedures.
  • Motivated, self-starter who can manage multiple projects and priorities within a fast paced environment.

Certificates and Licenses

  • Valid driver's license and clean abstract.


To perform the job successfully, an individual should demonstrate the following competencies:

  • Communication: Ability to communicate effectively and concisely at all levels.
  • Interpersonal skills: Ability to build collaborative, effective relationships with staff.
  • Professionalism: Approaches others in a tactful manner; reacts well under pressure; treats others with respect and consideration; accepts responsibility for own actions; follows through on commitments.

Other Requirements

  • Willingness to commit to WMKO core values: Safety, Integrity, Respect, Discovery and Service.
  • Willingness to commit to WMKO cultural values: Education/Learning, Communication, Teamwork, Rewarding Work Environment, Excellence, Community Involvement.
  • Willingness and ability to occasionally work nights and weekends.

Physical Demands

These physical demands are representative of the physical requirements necessary for an employee to successfully perform the essential functions of the job. This is not a complete list of the physical demands that may be required.

  • Standing: Remaining on one's feet in an upright position at a workstation without moving about.
  • Walking: Moving about on foot.
  • Lifting: Raising or lowering an object from one level to another (includes upward pulling) up to 75 pounds.
  • Vision: Color vision - Ability to identify and distinguish colors.
  • Hearing: Perceiving the nature of sounds at normal speaking levels with or without correction, and having the ability to receive detailed information through oral communication, and making fine discriminations in sound. Carrying: Transporting an object, usually holding it in the hands or arms, or on the shoulder.
  • Pushing: Exerting force upon an object so that the object moves away from the force (Includes slapping, striking, kicking and treadle actions).
  • Pulling: Exerting force upon an object so that the object moves toward the force (includes jerking).
  • Climbing: Ascending or descending ladders, stairs, scaffolding, and ramps. Body agility is emphasized.
  • Balancing: Maintaining body equilibrium to prevent falling when walking, standing, crouching, or running on narrow, slippery, or erratically moving surfaces.
  • Stooping: Bending body downward and forward by bending spine at the waist, requiring full use of the lower extremities and back muscles.
  • Handling: Seizing, holding, grasping, turning, or otherwise working with hand or hands. Fingers are involved only to the extent that they are an extension of the hand, such as to turn a switch or shift automobile gears.
  • Ability to pass a high altitude physical.
  • Ability to work at the Observatory (14,000 feet elevations).

Environmental Conditions

These environmental conditions are representative of what an employee will encounter while performing the essential functions of the job. This is not a complete list of the environmental conditions that may be encountered.

  • Exposure to weather: Subject to extreme cold. Temperatures can be below 32 degrees for periods of more than one hour. Consideration should be given to the effect of other environmental conditions such as wind and humidity.
  • Subject to Noise: There is sufficient noise to cause the worker to shout in order to be heard above the ambient noise level.
  • Subject to Hazards: Moving mechanical parts.
  • Subject to constrained spaces: Required to function in narrow aisles or passageways.

The above information on this job description has been designed to indicate the general nature and level of work performed by an employee in this classification.  It is not to be interpreted as a comprehensive inventory, or all duties, responsibilities, and qualifications of employees assigned to this job.  Management has the right to add to, revise, or delete information in this description.  Reasonable accommodations will be made to enable qualified individuals with disabilities to perform the essential functions of this position.

EEO Employer

W. M. Keck Observatory
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