What are the responsibilities and job description for the System Administrator position at ring0?
Job Description
Ring0 Technologies ("Ring Zero") is seeking an experienced System Engineer / System Administrator with a strong background in virtualization, Windows server administration, and networking to join our team in Northern Virginia. The ideal candidate will have hands-on experience with virtualization platforms, Windows Active Directory and Exchange configuration, as well as network setup and security management.
Required Skills
Responsibilities :
- Configure, deploy, and manage virtualization environments using ESXi, libvirt, and Proxmox.
- Build and maintain virtual machines (VMs) across multiple hypervisors.
- Administer Windows Active Directory (AD), including group policies, user management, and security configuration.
- Configure and manage Windows Exchange Server for email and communication services.
- Implement and maintain networking infrastructure, including VLANs, firewalls, and access controls.
- Monitor system performance, troubleshoot issues, and ensure high availability of infrastructure.
- Maintain security compliance and documentation in accordance with organizational and government standards
- Hands-on experience with virtualization technologies (ESXi, libvirt, Proxmox)
- Strong Windows Server administration experience (Active Directory & Exchange)
Qualifications : Required :
Desired Skills
Additional Details
Employee Benefits
MEDICAL
RingØ offers our employees and their families the Highest-Level Anthem Blue Cross Blue Shield packages…including the Gold & Platinum Plans. Our health care Preferred Provider Organization (PPO) is a National Leader of Innovative Health Care Offerings
DENTAL
RingØ offers high quality Individual and Family Dental Insurance (Delta Dental)
VISION
RingØ offers both individual and Family Vision (VSP) insurance
LIFE & DISABILITY INSURANCE
RingØ pays 100% of the premiums for Short and Long-Term Disability Insurance, Group Life Insurance, and Accidental Death & Dismemberment (AD&D) Insurance for all of our employees
SAVINGS PLANS (401k / ROTH IRA)
Our 401(k) plan has no vesting requirements. The 401(k) Plan includes the max allowable non-taxable employer matching contribution and a wide variety of investment options
These distributions are paid out on a PER-PAYROLL basis, so our employees realize maximum compounded interest for their retirement savings plan.
PAID TIME OFF (PTO)
Family and work-life balance is extremely important to us. Therefore, our time-off plan includes Paid Time Off / Vacation, Flex Time, and Floating / Banked Holidays!
TUITION ASSISTANCE
We highly encourage and support our employees to pursue advanced degrees through our tuition reimbursement program to further their professional careers. Therefore, RingØ offers the max allowable non-taxable employer contribution for tuition assistance
EMPLOYEE TRAINING
Personal and professional improvement is critical to our employee’s career growth and support to our Sponsors’ missions. We fully support our employees attending training and technical conferences
EMPLOYEE REFERRALS
Employees and non-employees are eligible for referral bonuses
About ring0
RingØ Technologies ("Ring Zero") was founded in 2010 as a veteran-owned, U.S.-based company. Our leadership team brings over 20 years of expertise in Computer Crime Investigations, Computer Network Operations, Incident Response, and Cybersecurity Defense. Before establishing RingØ Technologies, our founders spent a decade building a high-impact business unit from the ground up, growing it to nearly 400 professionals who supported the U.S. Government’s cyber needs both domestically and internationally.
At RingØ Technologies, we are dedicated to recruiting top-tier talent to address mission-critical challenges across the Department of Defense, Intelligence Community, and Federal Law Enforcement. We are deeply committed to ensuring our team stays at the forefront of emerging technologies while fostering continuous career growth. Additionally, we prioritize delivering exceptional Program Managers who are experienced, impartial, and transparent, ensuring they provide accurate financial oversight and the highest value for our Government partners. We hold ourselves and our industry collaborators to the same standard of excellence, working together to deliver unparalleled results for the Government.
