- National Park Service (Washington, DC)
- …occur within 90 days of the issue date of the referral certificate. Physical Demands: Work is primarily office-based, sedentary, and can be stressful in that ... the incumbent is often faced with short deadlines, changing priorities, and must occasionally resolve conflicting viewpoints. The work also entails travel by automobile, plane, train, helicopter, or boat and some site work may involve occasional strenuous… more