IT Senior Specialist

SABEL SYSTEMS TECHNOLOGY SOLUTIONS LLC • Tysons, VA

4d • $70,000 - $80,000 • Hybrid

About The Position

Sabel Systems Technology Solutions, LLC is a leading solution provider and rapidly growing Information and Communications Technology Company specializing in innovative and agile Digital Engineering and Acquisition Technical Stack design, implementation, and support, Strategy and Policy Development, Financial Management, Software Solutions Development, Requirements Analysis and Training, to name a few. Our client base is mostly in the DoD Federal Government Contracting space and we also partner with prime Government Contractors such as Siemens, Booz Allen, McKinsey and have work in the commercial space as well. We provide clients with large business opportunities and training within our small business agility and people first culture. You will be joining a dynamic and highly motivated team with one goal: "Get quality and secure solutions in the customers hands as soon as possible”. The System Administrator is responsible for supporting, maintaining, and improving Sabel Systems’ enterprise IT environment, ensuring high availability, security, and compliance. This role provides direct support to internal staff, manages endpoint systems across Windows and MacOS platforms, and assists in maintaining infrastructure, cloud services, identity systems, and enterprise applications. This position reports directly to the Manager of Information Technology and works closely with the broader IT and Cybersecurity teams to ensure systems remain aligned with company standards, security requirements, and operational needs. The ideal candidate has strong technical troubleshooting skills, experience with enterprise device management tools, and familiarity working within a compliance-driven environment such as NIST 800-171 or CMMC. Experience administering MacOS systems in a secure, regulated setting is highly beneficial.

Requirements

• Bachelor’s degree in Information Systems, Computer Science, Cybersecurity, or equivalent experience.
• 3–5+ years of experience in system administration, desktop support, or IT operations.
• Demonstrated experience managing MacOS systems in an enterprise environment, preferably within a regulated or compliance-focused organization.
• Experience supporting Windows, Microsoft 365, Azure AD/Entra ID, and standard enterprise IT tools.
• Proficiency with endpoint management tools such as Intune, or Rippling IT, or similar.
• Strong knowledge of identity management, MFA, and access controls.
• Understanding of secure configuration standards and compliance requirements (NIST 800-171, CMMC, CIS benchmarks).
• Experience with networking fundamentals, VPN technologies, and cloud-based services.
• Experience migrating users into Microsoft 365 Environments using traditional and non-traditional frameworks
• Strong troubleshooting, analytical, and problem-solving skills.
• Customer-oriented mindset with excellent communication abilities.
• Ability to follow detailed procedures and maintain consistent documentation.
• Commitment to security, compliance, and best practices.
• Ability to work independently and collaboratively in a hybrid environment.
• Ability to read, analyze and interpret general business periodicals, professional journals, technical procedures, or governmental regulations.
• Ability to write reports, proposals, business correspondence, and procedure manuals.
• Ability to effectively present information and respond to questions from groups of managers, clients, customers and general public.
• Ability to apply concepts such as fractions, percentages, ratios, and proportions to practical situations.
• Ability to define problems, collect data, establish facts, and draw valid conclusions.
• Ability to question activities and issues in all functional areas and make sound business decisions based on that data.
• The employee is regularly required to sit, talk, type or hear. The employee is frequently required to walk; use hands to finger, handle, or feel and reach with hands and arms.

Nice To Haves

• CompTIA A+, Network+, and/or Security+
• Microsoft 365 Fundamentals or Associate-level certifications
• JAMF, Apple IT Support, or similar MacOS administration certifications
• Other relevant IT support or security certifications

Responsibilities

• Administer and support Windows and MacOS endpoint devices in a secure, compliant environment.
• Configure and manage device management tools (e.g., Intune, JAMF, or similar) to enforce security policies, updates, and application deployments.
• Maintain secure baselines, perform system hardening, and ensure compliance with DoD and NIST-aligned policies.
• Provide Tier 1–3 technical support for hardware, software, authentication, and system-related issues.
• Onboard and offboard users, including account provisioning, device setup, and access management.
• Assist staff in resolving issues related to productivity tools, collaboration systems, and core enterprise applications.
• Support identity and access management systems (Microsoft 365, Azure AD/Entra ID, MFA, SSO).
• Assist with managing cloud environments, virtual machines, and network resources.
• Perform routine system maintenance, monitoring, patching, and performance tuning.
• Work with Cybersecurity staff to ensure systems conform to NIST SP 800-171, CMMC, and internal security standards.
• Maintain accurate asset records, system configurations, and documentation.
• Support vulnerability remediation, logging, monitoring, and endpoint protection initiatives.
• Participate in IT projects including system upgrades, device lifecycle management, and new technology rollouts.
• Contribute to IT process improvements, documentation, and training resources.
• Coordinate with vendor partners and service providers as needed.

Benefits

• Sabel Systems is committed to offering all employees a competitive benefits and compensation package that is comprehensive enough to meet their goals and needs.
• Our employees are our most valuable asset, and one of Sabel Systems largest financial investments is our benefits program.
• As a valued member of the organization, employees are provided with a host of benefits to include healthcare; financial assistance in the event of illness, injury, disability, loss of work, or death; health savings accounts; retirement plans; paid time off; paid holidays; education and training program reimbursement, to name a few.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level