Administrative Assistant II
$25.24 - $34.71 per hourSierra Nevada Corporation
Are you a tech-savvy administrative professional looking for your next challenge? Join our dynamic team as an Administrative Assistant II and become a vital partner to our Director and Vice President-level leaders. In this role, you’ll support top executives by expertly managing complex calendars, coordinating meetings and travel, preparing impressive reports and presentations, and ensuring seamless day-to-day operations. Your proactive approach and organizational skills will contribute directly to our company’s success. The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR and aviation, it is a leading prime manned and unmanned aircraft systems integrator for innovative, high-performance ISR and aviation systems. Its end-to-end Command, Control, Computers, Communications and Intelligence, Surveillance & Reconnaissance (C4ISR) capabilities encompass design, integration, test, certification, ground/flight training and complete logistics support. IAS tailors solutions to customer cost, performance, and schedule requirements and designs to consistently exceed expectations – with an unrivaled record of on time and on (or under) budget deliveries. Responsibilities: Efficiently manage complex inquiries from both internal and external sources. Prepare, consolidate, and route detailed reports and presentations. Create, edit, and manage complex spreadsheets to support various administrative tasks. Prepare and submit expense reports and purchase requisitions. Maintain databases and ensure accurate data entry in compliance with company policies. Coordinate business meals, on-site meetings, and events, including all logistics. Provide advanced support to IT and Facilities for conference room and public area maintenance. Manage calendars for senior leaders, including meeting and travel arrangements. Edit, format, and send communications, presentations, and documents. Act as a liaison between executives and internal/external stakeholders. Handle high-level administrative tasks with a focus on business operations. Support onboarding and training for new employees. Organize team-building and employee engagement activities. Handle confidential information with discretion. Assist in project planning, execution, documentation, and reporting. Support budget planning and vendor management. Sit at the front desk, support visitor check-ins, and manage office supplies. Provide backup support to the administrative team as needed. Qualifications You Must Have: High school diploma or equivalent. 3+ years of relevant experience in office administration or administrative support. Proficient in Microsoft Office Suite (Word, Excel, Outlook, Teams, OneNote, SharePoint Online) and travel/expense platforms (e.g., Concur). General knowledge of administrative practices, including expense reporting, purchase requisitions, and coordinating meetings, events, and travel. Foundational knowledge of project management applications (e.g., Microsoft Project, Smartsheet) and ticketing systems (e.g., Service Now). Excellent communication, problem-solving, and organizational skills. Professional demeanor and ability to handle sensitive information with discretion. Qualifications We Prefer: Associate’s degree in Business Administration or related field. Experience in the Aerospace and Defense industry. Advanced knowledge of Workday or similar HRIS systems. Certifications such as PACE (Professional Administrative Certification of Excellence) or CAPM (Certified Associate in Project Management) are a plus. Experience with Concur Travel and Expense platform or other travel management systems. Experience working in a U.S. military or Department of Defense (DoD) environment. Essential Functions: Ability to lift up to 20 lbs regularly. Ability to sit or stand for extended periods. Proficiency with computers and office equipment. Manual dexterity for handling office supplies and equipment. Ability to work in an office environment. Ability to travel may be required. This posting will be open for application for a minimum of 5 days and may be extended based on business needs. Estimated Starting Salary Range: $25.24 - $34.71. Compensation varies depending on a wide array of factors, such as candidates' key skills, relevant work experience, and education/training/certifications. The disclosed range estimate may be adjusted for any applicable geographic differential associated with the location at which the position may be filled. SNC offers a generous benefit package, including medical, dental, and vision plans, 401(k) with 150% match up to 6%, life insurance, 3 weeks paid time off, tuition reimbursement, and more. IMPORTANT NOTICE: This position requires the ability to obtain and maintain a Secret U.S. Security Clearance. U.S. Citizenship status is required as this position needs an active U.S. Security Clearance for employment. Non-U.S. citizens may not be eligible to obtain a security clearance. The Department of Defense Consolidated Adjudications Facility (DoD CAF), a federal government agency, handles the adjudicative aspects of the security clearance eligibility process for industry applicants. Adjudicative factors which affect the outcome of the eligibility determination include, but are not limited to, allegiance to the U.S., foreign influence, foreign preference, criminal conduct, security violations and illegal drug use. Learn more about the background check process for Security Clearances. SNC is a global leader in aerospace and national security committed to moving the American Dream forward. We’re known and respected for our mission and execution focus, agility, and disruptive and rapid innovation. We provide leading edge technologies and transformative solutions that support our nation’s most critical security needs. If you are mission-focused, thrive in collaborative environments, and want to make our country stronger with state-of-the-art technologies that safeguard freedom, join our team! SNC is an Equal Opportunity Employer committed to an environment free of discrimination. Employment decisions are made based on merit without regard to race, color, age, religion, sex, national origin, disability, status as a protected veteran or other characteristics protected by law. SNC is a trusted global leader in aerospace and national security. Our innovative solutions enable connected protection through command, control and communications systems, as well as ISR, cyber, electromagnetic spectrum management, and other high capabilities for systems across all domains – sea, land, air, space and cyber. As a longstanding leader in defense technology, SNC is the optimum intersection of commercial, defense and non-traditional contractors. We are one of the only privately owned mid-tier A&D contractors and we pride ourselves on our ability to invest early and often to ensure mission success on or ahead of schedule. It’s part of our mission to always stay one step ahead; working on solutions today to solve the problems of tomorrow. Founded in 1963, SNC is owned by Chairwoman Eren Ozmen and CEO Fatih Ozmen.
$40k - $46.72k
...Patient Services Representative I-II – Family Medicine, Park Meadows Attention customer service experts with a passion for team-centric... ...environment for our faculty, staff, students, and visitors. To assist in achieving that goal, we conduct background investigations for...SuggestedLocal areaImmediate start- ...Administrative/Clerical - Administrative Assistant | Littleton, Colorado, United States Administrative Assistant - Littleton, CO, 80127 About the Role Join our high-performing team as an Administrative Assistant supporting the Controller Vice President and leadership...SuggestedWork at officeFlexible hours
$18 per hour
...effectively motivate others ~ Must be able to stand, bend, walk for long periods of time ~ Must be able to lift 25 pounds without assistance ~ Other duties as assigned ~ Reliable transportation ~ High school diploma or equivalent Palm Beach Tan is an...SuggestedHourly payImmediate start- Amtap Logistics Team Member Program learning plan interface and coordination, learning plan compliance and revision control Classroom setup and logistics (can be a combination of classroom set up and computer set up for the training classes so needs to have IT background...SuggestedApprenticeship
$20 - $28 per hour
...Job Title: Administrative Assistant Location: Littleton, CO Industry: Faith-Based Organization Pay: $20 - $28/hour Benefits : The position is eligible for medical, dental, vision, and 401(k). Contract with potential to hire About Our Client:...SuggestedHourly payContract workWork at officeLocal area$40k - $80k
...Administrative Assistant The Administrative Assistant provides direct administrative support to the leadership team at QISG. What You'll Do Answers and transfers incoming phone calls, screening when necessary Welcomes and directs visitors and clients...Temporary workWork at officeLocal area$59k - $113k
...Executive Administrative Assistant At Lockheed Martin, we apply our passion for purposeful innovation to keep people safe and solve the world's most complex challenges. This Executive Administrative Assistant reports to the Vice President of Capture Excellence (...Full timeTemporary workFor contractorsWork experience placementWork at officeRemote workFlexible hours$350k
...including park pass & registration sales, facility rentals, retail sales and Integrated Parks and Wildlife System. To act as an administrative assistant to the Park Manager(s) with an emphasis on accounting, coordinating paperwork for temporary hiring program, revenue...Permanent employmentTemporary workWork at officeMonday to FridayShift workWeekend work$29 - $35 per hour
...Administrative Assistant The company operates as a single-family office, providing comprehensive, high-level service to its client. This is a fast-paced, high-touch in-office environment working in-office five days a week. Responsibilities Office Administration...Full timeWork at officeMonday to FridayNight shift- ...JOB DESCRIPTION: We are seeking a dedicated Administrative Assistant to support the Controller Vice President & the Controller leadership team. As the Administrative Assistant, you will: - Provide general correspondence, schedule meetings, make travel arrangements...Work at office2 days per week
- ...Description: ATN Health is currently assisting a local client, recruiting for an Administrative Assistant job in Denver Metropolitan Area. The Administrative Assistant job is a temp to hire opportunity. For instant consideration for the Administrative Assistant...Temporary workWork at officeLocal area
$33.38 - $45.9 per hour
...Are you an experienced administrative superstar looking to heighten your organizational impact? Come join our team! As a Sr. Administrative Assistant, you will partner with one or more of our executive leaders and play a key role in helping them achieve their goals. You...Work experience placementWork at office$51.8k - $91.43k
...Sr. Administrative Assistant | Lockheed Martin The successful candidate provides high-level administrative support to multiple directors and senior managers within the Next Generation Interceptor (NGI) program at the Denver site. The role ensures seamless daily operations...Hourly payFull timeTemporary workWork experience placementWork at officeRemote workRelocationFlexible hoursShift work$22 - $25 per hour
A landscape organization in Littleton, Colorado seeks an Administrative Support professional. The role involves managing various clerical duties, enhancing office operations, and supporting HR functions. Ideal candidates should have over 5 years of experience, a high school...Daily paidWork at office$63.15k - $90k
...the central operational hub for the IT Department, ensuring administrative precision and seamless communication across a dynamic environment... ...like to discuss the accessibility of our website or need assistance completing the application process. This contact information...Work at officeLocal areaFlexible hours- Job Title Fish Window Cleaning has grown to be the world's largest window cleaning company with more than 250 franchise territories in 43 states, yet we still maintain the traditional values we were founded on. We will always treat every customer as though they are ...Work at office
$72.35k - $103.4k
...experience within the EchoStar ecosystem. Required Technical Skills: Prompt engineering and persona management for virtual assistants. Natural Language Processing (NLP) and Natural Language Understanding (NLU) configuration Data retrieval and interpretation...Local areaFlexible hours- Surgery Scheduler- OBGYN 5280, Highlands Ranch The Surgery Scheduler is responsible for providing outstanding customer service to both the assigned physician and patients. The individual in this position will perform a broad spectrum of duties related to the effective...
$84.76k - $129.5k
...within the power industry i.) AACE CST, or PMI Equivalent ii.) Working towards AACE CCP, CEP, PSP, PRMP, EVP, or PMI Equivalent... ...Life & Accident Insurance ~ Disability Coverage ~ Employee Assistance Program (EAP) ~ Back-Up Daycare ~ FSA & HSA ~401(k) ~ Pre-...Hourly payWork experience placementInternshipLocal areaRemote workFlexible hours3 days per week$120k - $160k
Transit Systems Scheduler Application Deadline: 1 September 2026 Department: Scheduling Employment Type: Full Time Location: MRS-- Headquarters Compensation: $120,000 - $160,000 / year Description Are you talented in turning complex engineering...Full timeContract workFor contractorsWork experience placementFor subcontractorWork at office$19 - $25 per hour
Erickson Senior Living is seeking a Health Services Scheduler in Highlands Ranch, Colorado. This role involves managing staff schedules, payroll, and productivity reports, with responsibilities including effective communication with staff and applicants and ensuring timely...Hourly pay$19 - $24.23 per hour
...role in ensuring patients receive timely, coordinated care by scheduling appointments and procedures, verifying insurance coverage, assisting with pre-registration, and providing exceptional customer service throughout the scheduling process. This position supports...Hourly payFull timeWork experience placementWork at office- ...Customer Service Associate II Your positive, friendly disposition and eagerness to get things done make you the right person for... ...As a Customer Service Associate II, you'll be responsible for assisting with the daily operations of your assigned store, from merchandising...Contract workPart timeLocal area
$118.02k - $180.31k
...preferably within the power industry i.) AACE CST, or PMI Equivalent ii.) Working towards AACE CCP, CEP, PSP, PRMP, EVP, or PMI... ..., Vision Life & Accident Insurance Disability Coverage Employee Assistance Program (EAP) Back-Up Daycare FSA & HSA 401(k) Pre-Tax Commuter...Hourly payWork experience placementLocal areaRemote workFlexible hours3 days per week$90k - $120k
...including top-tier medical, dental and vision plans covering eligible employees and dependents, voluntary wellness and employee assistance programs, life insurance, disability, retirement plans with matching, and generous paid time off. Equal Opportunity Employer,...Full timeRelocationFlexible hoursWeekend work- JobMonkey, Inc. is looking for a dedicated professional in Highlands Ranch, CO, to collaborate with engineering and finance teams. This full-time position involves creating and maintaining Integrated Master Schedules and facilitating communication across various teams....Full time
- Lockheed Martin is seeking an entry level Program Planner in Littleton, CO. This role involves managing detailed schedule networks and translating customer requirements into program schedules. Candidates should have exposure to scheduling tools (like MS Project) and be ...Work at office
$22 - $25 per hour
...Responsibilities Responsible for the accurate and timely execution of administrative functions in support of Branch operations. Create and maintain... ...support for Branch Operations Office Administrations Assist with office operations, workflow and procedures Monitor the...Daily paidWork experience placementWork at officeLocal areaFlexible hours$22 - $26 per hour
...Administrative Assistant The Administrative Assistant supports the efficient operation of the Clara Corporation's back office and assists the Office Manager with general office duties and clerical tasks. This position is the primary point of contact for incoming visitors...Hourly payFull timeWork at office$20 - $33.85 per hour
...Elementary Principal Administrative Assistant At STEM School Highlands Ranch, we place innovation at the heart of learning to unleash the potential of all students and prepare them for an exponentially changing world. As a K-12 free Charter School in the Douglas County...Hourly payFull timeTemporary workPart timeMonday to FridayNight shiftDay shift
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Administrative Assistant II. Be the first to apply!
- confidential administrative support Lone Tree, Douglas County, CO
- administrative office technology Lone Tree, Douglas County, CO
- administrative support Lone Tree, Douglas County, CO
- administrative assistant registrar
- shipping administrative assistant
- operations assistant manager
- pm administrative assistant
- clinical operations assistant
- data entry/admin assistant
- junior administrative assistant


