Corporate System Administrator

We are seeking a highly experienced Systems Administrator / Engineer to develop, operate, and own the endtoend infrastructure of a controlled access facility. The role includes architecture, build, sustainment, security hardening, compliance, user-support, and collaboration with Security, Facilities, and Program teams. As a 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, support for corporate low-side infrastructure will be required in down-time.

Responsibilities:

• Own the full lifecycle of controlled area infrastructure, including design, implementation, hardening, and sustainment of Windows / Linux servers, virtualization platforms, storage, networks, and firewalls.
• Maintain SSP, SRTM, and compliance documentation in coordination with ISSO/Physical Security Manager.
• Partner with crossfunctional teams to support mission requirements and scheduled changes.
• Install, configure, and maintain Windows systems
• 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; implement and maintain compliance with DISA STIGs, vulnerability scanning tools
• Troubleshoot system and network issues and escalate when necessary.
• Provide end-user support and training as needed
  

Qualifications:

• Position requires active Security Clearance with appropriate Polygraph
• Bachelor's degree in Computer Science, Information Technology, or related field.
• 7+ years of experience in systems / network administration supporting DoD or controlled access facility.
• Experience supporting RMF/ATO processes and generating compliance evidence (SSP, controls, implementation statements).
• Experience coordinating with Physical Security Manager and supporting inspections or accreditations.
• Knowledge of NIST 80053, NIST 800171, CUI handling, and DoD security expectations
• Strong documentation, communication, and change management skills
• 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 Window30s Server.
• Experience with cloud computing platforms such as Azure and AWS.
• Familiarity with STE/STN requirements
• 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

Desired Qualifications:

• Familiarity with ServiceNow
• Experience with Ubiquiti, Dell, and Cisco appliances
• Experience with Veeam backup technology.

Pay Range: 130,000-190,000

The RealmOne pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Our approach to crafting offers considers various factors to establish an equitable and competitive compensation package. These considerations include, but are not limited to, the extent and intricacy of the role's responsibilities, the candidate's educational background, their work experience, and the specific competencies crucial for success in the role.

RealmOne Benefits:

• Healthcare Coverage + Insurance: Medical: Three (3) rich healthcare options through CareFirst with 100% or majority company-paid premiums. Tax-advantaged health savings account available with generous employer contribution. Dental + Vision: 100% employer-paid for employees and family with buy-up option available.
• Retirement + Savings: 401K - 10% TOTAL CONTRIBUTION - 5% safe harbor - 5% annual profit share. Immediate vested, no match required!
• Paid Time Off + More: 4 weeks starting PTO - 11 federal holidays + 2 floating holidays - Paid hours for company-required training.
• Career Growth + Development: Access to FREE 24/7 learning via Udemy - Opportunities to participate in tech councils, industry initiatives, etc. - $7,500 annual Educational & Professional Development Assistance.
• MORE BENEFITS...FOR EVERY LIFESTYLE! - Paid parental leave - Adoption assistance - Annual swag drops - Flexible work schedules - -Generous referral bonus program - Employee appreciation + family-friendly corporate events ...and much more.

ABOUT US

• RealmOne is a mid-sized science and technology company dedicated to solving our customers' toughest mission challenges.
• Headquartered in Columbia, MD., RealmOne supplies advanced cybersecurity, data science and software engineering services and products to customers in the Government and commercial sectors.
• RealmOne delivers encompassing mission assurance and critical systems support to government customers across various U.S. locations to include Colorado, Georgia, Hawaii, Texas, Utah, and Virginia.
• RealmOne has earned numerous awards, including being named a Top Workplace by the Baltimore Sun. With more than 30+ active contracts, 12 of which are prime, RealmOne stands as a premier innovator supporting the Government and Department of Defense, with team members located nationwide.

Disclaimer: Benefits packages offered by RealmOne are subject to variation and may differ based on work location, clearance level, and other eligibility criteria. Specific eligibility, availability, and scope of benefits are not guaranteed, may differ from those generally described, and remain subject to modification at the sole discretion of the company.