Apple & Windows Operating Systems Lead

Responsibilities & Qualifications

The Apple & Windows Operating System Lead is responsible for the administration, maintenance, and optimization of enterprise Windows Server and Apple (Mac) environments supporting the NRC High Performance Computing System (HPCS). This role ensures system reliability, security compliance, and operational efficiency across hybrid infrastructure environments.

REQUIRED QUALIFICATIONS

Experience

• 8+ years of experience in Windows Server administration

• Experience supporting Apple/Mac enterprise environments

• Strong knowledge of:

• Active Directory, Group Policy

• Windows Server (2016/2019/2022)

• Endpoint management tools

• Experience with cloud environments (e.g., AWS GovCloud, Azure)

• Familiarity with FISMA, NIST security controls, and federal IT compliance frameworks

• Strong troubleshooting and system optimization skills

Education

• Bachelor's degree in IT, Computer Science, or related field (or equivalent experience)

Clearance

• Must be able to obtain and maintain an NRC security clearance (Public Trust or higher).

Preferred Qualifications

• Microsoft certifications (e.g., MCSA, MCSE, Azure Administrator )

• Apple certifications (e.g., ACSP, Jamf certifications )

• Experience in federal or regulated environments

• Experience supporting HPC or scientific computing environments

Key Responsibilities

• Administer and maintain Windows Server (cloud/on-prem) and Mac OS environments

• Install, configure, patch, and upgrade operating systems and enterprise applications

• Manage Active Directory integration, group policies, and user accounts

• Monitor system performance and troubleshoot hardware/software issues

• Implement and maintain system security controls in compliance with FISMA standards

• Perform system backups, recovery, and continuity operations

• Coordinate with network teams for LAN/VLAN connectivity and firewall configurations

• Maintain system documentation, configuration baselines, and asset inventory

• Support continuous monitoring, vulnerability remediation, and POA&M activities

• Evaluate and recommend hardware/software solutions

• Provide Tier II/III support to users and stakeholders

• Participate in change control processes and system upgrades

Deliverables & Expectations

• Monthly status and asset reporting

• Participation in system health reviews and change control boards

• Continuous improvement and modernization of systems

• Maintain high availability and operational readiness of HPCS systems

Overview

WORK ENVIRONMENT

The work environment characteristics described here are representative of those an employee encounters while performing the essential functions of the job. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions.

• Location: Rockville, MD

• Type of environment: Onsite - NRC Headquarters (Rockville, MD) with support to NRC data centers and cloud environments

• Noise level: Medium

• Work schedule: Standard hours: 8:00 AM - 5:00 PM

• Amount of Travel: Participation in on-call rotation. Ability to respond onsite within 1 hour if required

WORK AUTHORIZATION/SECURITY CLEARANCE

U.S. Citizen

Must be able to obtain and maintain an NRC security clearance (Public Trust or higher)

PHYSICAL DEMANDS

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions. While performing the duties of this job, the employee is regularly required to use hands to handle, feel, touch; reach with hands and arms; talk and hear. The employee is regularly required to stand; walk; sit; climb or balance; and stoop, kneel, crouch, or crawl. The employee is regularly required to lift up to 10 pounds. The employee is frequently required to lift up to 25 pounds; and up to 50 pounds. The vision requirements include close vision, distance vision, peripheral vision, depth perception, and ability to adjust focus.

OTHER INFORMATION

Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities and activities may change at any time with or without notice

Additional Job Information

TekSynap is a fast growing high-tech company that understands both the pace of technology today and the need to have a comprehensive well planned information management environment. "Technology moving at the speed of thought" embodies these principles - the need to nimbly utilize the best that information technology offers to meet the business needs of our Federal Government customers. Apply now to explore jobs with us at .

We offer our full-time employees a competitive benefits package to include health, dental, vision, 401K, life insurance, short-term and long-term disability plans, vacation time and holidays.

TekSynap is a drug-free workplace. We reserve the right to conduct drug testing in accordance with federal, state, and local laws. All employees and candidates may be subject to drug screening if deemed necessary to ensure a safe and compliant working environment.

By applying to a role at TekSynap you are providing consent to receive text messages regarding your interview and employment status. If at any time you would like to opt out of text messaging, respond "STOP". As part of the application process, you agree that TekSynap Corporation may retain and use your name, e-mail, and contact information for purposes related to employment consideration.

EQUAL EMPLOYMENT OPPORTUNITY

In order to provide equal employment and advancement opportunities to all individuals, employment decisions will be based on merit, qualifications, and abilities. TekSynap does not discriminate against any person because of race, color, creed, religion, sex, sexual orientation, gender identity, protected veteran status, national origin, disability, age, genetic information or any other characteristic protected by law (referred to as "protected status"). This nondiscrimination policy extends to all terms, conditions, and privileges of employment as well as the use of all company facilities, participation in all company-sponsored activities, and all employment actions such as promotions, compensation, benefits, and termination of employment. TekSynap is committed to ensuring that our online application process provides an equal employment opportunity to all job seekers, including individuals with disabilities. If you believe you need a reasonable accommodation in order to search for a job opening or to submit an application, please contact View email address on click.appcast.io for assistance.

Job Locations US-MD-Rockville

ID 2026-9155

Category Information Technology

Type Regular Full-Time