Corporate System Administrator

RealmOne; Columbia (MD); On-site; USD 130,000 - 180,000; Full time

Benefits offered by this job

Health Care Coverage

Dental and Vision

401K with contribution

Paid Time Off

Career Growth opportunities

Flexible work schedules

Employee appreciation events

Job summary

RealmOne in Columbia, Maryland, is seeking a Corporate System Administrator to support and maintain Windows and Linux systems and manage the Active Directory environment.

The candidate will also assist in managing cloud infrastructure on Azure and troubleshoot system issues. A Bachelor's degree and 5-7 years of relevant experience are required. The position offers a competitive salary range of $130,000-$180,000 and comprehensive benefits.

Qualifications

• 5–7 years of experience in system administration or related field.
• Experience working with infrastructure inside cleared spaces.
• Strong knowledge of Windows and Linux operating systems.

Responsibilities

• Install, configure, and maintain Windows and Linux servers and workstations.
• Manage and maintain Active Directory including user accounts and group policies.
• Assist in managing cloud infrastructure on Azure.

Skills

Windows operating systems

Linux operating systems

Active Directory

Cloud computing (Azure, AWS)

Networking concepts and protocols

Veeam backup technology

Problem-solving

Education

Bachelor's degree in Computer Science, Information Technology, or related field

Tools

Hyper-V

Ubiquiti appliances

Dell appliances

Cisco phones

ServiceNow

Job description

Job Brief

Responsible for supporting and maintaining our corporate Windows and Linux systems, managing our Active Directory environment, maintaining network infrastructures, and assisting with cloud infrastructure on Azure.

Job Description

As a cleared Corporate System Administrator, you will be responsible for supporting and maintaining our corporate Windows and Linux systems, managing our Active Directory environment, maintaining network infrastructures, and assisting with cloud infrastructure on Azure. Additionally, you will troubleshoot and maintain the Windows workstations and network in cleared spaces.

Responsibilities

• Install, configure, and maintain Windows and Linux servers and workstations.
• Manage and maintain Active Directory, including user accounts, group policies, and domain controllers.
• Assist in managing cloud infrastructure on Azure, including virtual machines, storage, and networking.
• Monitor and maintain Veeam backups.
• Configure and maintain network infrastructure, including routers, switches, and firewalls.
• Provide support for Ubiquiti, Dell, and Cisco network appliances, including advanced configurations such as packet inspection and subnetting.
• Assist in developing, implementing, and maintaining security policies and procedures.
• Troubleshoot system and network issues and elevate when necessary.
• Provide end‑user support and training as needed.

Qualifications

• Bachelor's degree in Computer Science, Information Technology, or related field.
• 5–7 years of experience in system administration or related field.
• Strong knowledge of Windows and Linux operating systems.
• Experience working with infrastructure inside cleared spaces.
• Experience with Active Directory, including user management and group policies.
• Experience with Hyper‑V and Windows Server.
• Familiarity with cloud computing platforms such as Azure and AWS.
• Familiarity with DUO, ServiceNow, and Cisco phones is a plus.
• Familiarity with STE/STN requirements.
• Experience with Veeam backup technology.
• Knowledge of networking concepts and protocols.
• Experience with Ubiquiti, Dell, and Cisco appliances is a plus.
• Excellent problem‑solving and communication skills.
• Ability to work in a fast‑paced environment and prioritize tasks effectively.
• Ability to work after hours and weekends as needed.

Clearance Requirements

Position requires active Security Clearance with appropriate Polygraph.

Pay Range

130,000–180,000

Benefits

• Health Care Coverage: Three (3) rich healthcare options through CareFirst with 100% or majority company‑paid premiums; tax‑advantaged HSA available with generous employer contribution.
• Dental and Vision: 100% employer‑paid for employees and family with buy‑up option available.
• Retirement Savings: 401K with 10% total contribution, 5% safe harbor, 5% annual profit share; immediate vesting; no match required.
• Paid Time Off: 4 weeks starting PTO, 11 federal holidays, 2 floating holidays; paid hours for company‑required training.
• Career Growth: FREE 24/7 learning via Udemy, opportunities to participate in tech councils and industry initiatives; $7,500 annual educational and professional development assistance.
• Additional Benefits: Paid parental leave, adoption assistance, annual swag drops, flexible work schedules, generous referral bonus program, employee appreciation events, and more.