Top 978 Site System Administrator Jobs in Reston, VA

Office Administrator
Atlantic Contracting & Material Co, Inc —Chantilly, VA
- $18 - $22 an hour
- Full-time
- Spanish
- 5 years
- Writing skills
- Health insurance
- Dental insurance
Quick Apply
11d
Director of Admissions
Fusion Academy —Reston, VA
- $70,000 - $80,000 a year
- Full-time
- Background check
- Marketing
- Business development experience
- Commuter assistance
- Paid holidays
Network Administrator
CGI Group, Inc. —Arlington, VA
- $100,000 - $200,000 a year
- Mid-level
- Bachelor's degree
- 2 years
- Paid parental leave
- Paid holidays
Windows Systems Administrator
Leidos —Arlington, VA
- $73,450 - $132,775 a year
- Full-time
- Mid-level
- Windows
- Bachelor's degree
1d
Database Administrator, Senior
CGI Group, Inc. —Arlington, VA
- $100,000 - $180,000 a year
- 5 years
- Maintenance
- Analysis skills
- Paid parental leave
- Paid holidays
Windows System Administrator
Booz Allen Hamilton —McLean, VA
- $77,600 - $176,000 a year
- Full-time
- Mid-level
- Office
- High school diploma or GED
- Health insurance
- Flexible spending account
4d
Project Operations Administrator | Herndon, VA | Bohler
Bohler —Herndon, VA
- Full-time
- Civil engineering
- Mid-level
- Office
- Paid parental leave
- Paid holidays
System Administrator
Anduril Industries —Reston, VA
- $112,000 - $149,000 a year
- Email
- 5 years
- Scripting
- Senior level
Quick Apply
IT Services - Support Technician
Everforth ECS —Fairfax, VA
- $27.50 - $34.50 an hour
- Mid-level
- Office
- Windows
System Administrator 3-IT
Oracle —Ashburn, VA
- Full-time
- Computer science
- Computer Science
- System design
Facilities Administrator
Rincon Research Corp —Chantilly, VA
- $40 - $50 an hour
- Full-time
- Ability to walk for extended periods
- Mid-level
- Office
- Disability insurance
- Health insurance
Quick Apply
3d
Service Desk Administrator/Help Desk Specialist - DOJ EOIR End User Support
ITC Federal, Inc. —Falls Church, VA
- $55,000 - $60,000 a year
- Weekends as needed
- Hybrid work
- Mid-level
- Office
- Windows
- Paid holidays
- Health insurance
Executive Administrator SSDP/SWAC
Galapagos Federal Systems LLC. —Reston, VA
- $120,000 - $130,000 a year
- Full-time
- Microsoft Excel
- Microsoft Outlook
- Office
- Paid parental leave
- Paid holidays
Systems Administrator
Tecolote Research, Inc. —Chantilly, VA
- $55,000 - $75,000 a year
- Full-time
- Mid-level
- Office
- Windows
- Paid jury duty
- AD&D insurance
Senior Contracts Administrator- Remote
Arlington, VA
- Remote
- Customer service
- 3 years
- Analysis skills
- Employee stock ownership plan
Web Administrator
RIVA Solutions Inc. —Reston, VA
- $85,000 a year
- Online Application
- Mid-level
- SharePoint
- Agile
- Wellness program
- Health savings account
Quick Apply
Senior Financial Systems Administrator, Enterprise Applications (Deltek)
Akima, LLC —Herndon, VA
- $120,000 - $140,000 a year
- Full-time
- Hybrid work
- SQL
- Analysis skills
- Experience equivalent to degree accepted
- Health insurance
- Dental insurance
12d
Database Administrators
Indus Group —Herndon, VA
- Multiple hires
- Entry level
System Administrator (Active Clearance), Intelligence Systems
Anduril Industries —Reston, VA
- $112,000 - $149,000 a year
- Email
- Mid-level
- Communication skills
- Commercial
Quick Apply
Senior Administrative Coordinator
RTX Corporate —Arlington, VA
- $58,400 - $111,000 a year
- Full-time
- Microsoft Excel
- 6 years
- High school
- Paid parental leave
- Paid holidays

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Office Administrator

Atlantic Contracting & Material Co, Inc
Chantilly, VA

Quick Apply

Job Details

Full-time
$18 - $22 an hour
11 days ago

Benefits

Health insurance
Dental insurance
401(k)
Paid time off
Life insurance
Retirement plan

Qualifications

Spanish
Customer communication
Teamwork
Writing skills
English
High school diploma or GED
Construction industry experience

Full Job Description

Company Description

Atlantic Contracting & Material Co., Inc. is a general contractor based in the Washington Metropolitan Area. Specializing in heavy and highway construction in the public and private sector.

Role Description

This is a full-time, on-site position for an Office Administrator, located in Chantilly, VA. The Office Administrator will manage daily administrative tasks such as organizing office operations, maintaining office equipment, coordinating schedules, and providing customer service support. Responsibilities will also include efficient communication within the team, liaising with vendors and stakeholders, and ensuring smooth daily office operations in a dynamic work environment.

Key Responsibilities

Provide professional customer service and positive interactions while serving as primary point of contact with everyone who corresponds with senior management and leadership in a region, business unit, or project.
Maintain appropriate confidentiality in all matters and communicate appropriate level of information to preserve security and escalate concerns to senior management and leadership.
Perform administrative services including processing mail, overnight mailings, photocopying, filing, sending faxes, phone list updates, invoices, and order supplies and stationery (e.g., letterhead, business cards, envelopes).
Manage the Accounts Payable process between office and field teams.
Assist new employees with onboarding paperwork and job-specific documentation.
Coordinate day‑to‑day administrative takes such as permits, payroll, and mail.
Complete HR administrative tasks and reporting, including onboarding, compliance, benefits, and termination paperwork.
Edit and assemble documents and reports for department head/manager.
Assist with general office inquiries from staff, owners, and others; provide proactive escalation as appropriate.
Maintain knowledge of business unit/headquarters’ historical information (e.g., use of vendors, event sponsorships, industry memberships/activities, client, and staff events) to support managerial related decision-making.
Arrange travel reservations, business accommodations, prepare itineraries.
Maintain organized filing systems and coordinate document retrieval schedules.
Order supplies to support office needs.
Assist with special projects and coordinate events.
Apply critical thinking and problem-solving skills to daily activities and keep executive apprised of office operations, related issues, and/or changes as appropriate.
Maintain Notary Public commission and manage corporate seal with discretion. (The Company will sponsor)
Establish Standard Operating Procedures (SOP) for role in partnership with Team to contribute new ideas and share great practices for continuous improvement and effectiveness of team and share for use by entire job family.
Process department head/manager’s expense reports.
Prepare, submit, reconcile, and track accurate, timely expense reports; assess for policy compliance, accuracy of documentation, and provide timely submission.
Other activities, duties, and responsibilities as assigned.

Qualifications

Associate’s degree, High School Diploma or GED and minimum of 5 years of relevant administrative assistant experience in construction, or other related industry, required
Administrative Certification, desired
High degree of detail, accuracy, and organizational skills
High standards of accountability and integrity, maintain confidential information, and exercise discretion
Excellent interpersonal communication, professional presentation, and persuasion skills to confidently engage and influence at senior levels; engage with teams, vendors, and with all organizational levels
Approachable, proactive, positive, and professional
Professional communication skills, advanced business writing, editing and proofreading skills
Strong ability to prioritize responsibilities for self and others
Proactive follow-up practices and capable of managing competing projects, events, and tasks with demanding time frames
Excellent critical thinking skills, use sound judgment to assess conflicts and solve problems
Excellent computer and database skills, Microsoft Office suite of applications, and collaboration tools
Regularly lift and/or move up to 10 pounds and occasionally lift and/or move up to 25 pounds.
Bilingual English/Spanish written and verbal desired
Commissioned Notary Public, desired (Company will sponsor)

Benefits

Medical Insurance
Dental Insurance
Vision Insurance
401k
Paid Time Off

Pay: $18.00 - $22.00 per hour

Benefits:

401(k)
Dental insurance
Health insurance
Life insurance
Retirement plan

Work Location: In person

Quick Apply

Refine Your Search

Site System Administrator jobs in Reston, VA

Office Administrator

Director of Admissions

Network Administrator

Windows Systems Administrator

Database Administrator, Senior

Windows System Administrator

Project Operations Administrator | Herndon, VA | Bohler

System Administrator

IT Services - Support Technician

System Administrator 3-IT

Facilities Administrator

Service Desk Administrator/Help Desk Specialist - DOJ EOIR End User Support

Executive Administrator SSDP/SWAC

Systems Administrator

Senior Contracts Administrator- Remote

Web Administrator

Senior Financial Systems Administrator, Enterprise Applications (Deltek)

Database Administrators

System Administrator (Active Clearance), Intelligence Systems

Senior Administrative Coordinator

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