System Administrator 1

M.C. Dean, Inc•Tysons, VA

About The Position

M.C. Dean is seeking a System Administrator 1 to join its Security and Electronic Systems (SES) business unit. The role administers, configures, and monitors cloud-based Infralink platforms and supports related systems and end users. It helps maintain platform availability, configuration accuracy, and compliance; manages user access and licensing; troubleshoots platform issues; and maintains technical and user documentation. The administrator works with IT, Product, Security, and DevOps teams and provides technical support and escalation as appropriate. The position also supports Windows systems, desktop hardware, third-party applications, security configuration, system monitoring, and preventive maintenance. The employee performs duties under direct supervision and must be available to work at a customer site during the hours required by the customer. Travel of up to 25% may be required, as well as flexible shifts that can include nights, weekends, holidays, and on-call work. M.C. Dean describes a collaborative work environment and offers training and development opportunities, including leadership training and tuition reimbursement, along with an employee benefits package. The listed pay range is USD $75,520 to $94,400 per year.

Requirements

Bachelor of Science degree and 0 or more years of progressive experience, or high school diploma or equivalent and 6 or more years of progressive experience.
Some system administrator experience, including triaging and resolving system problems, analyzing system data to prevent problems, implementing new workstations, and supporting system extensions.
Demonstrated understanding of Windows patching and vulnerability remediation.
Basic knowledge of large-scale networking, VLANs, and routing.
Reliable attendance at the customer site during work hours required by the customer.
Ability to work flexible shifts that may include nights, weekends, holidays, and on-call duty.
Minimum IAT Level II certification, such as Security+.
Demonstrated experience working with multidisciplinary teams.
Demonstrated time-management and organizational skills to meet deadlines and quality objectives.
Ability to use Microsoft Excel, Word, Visio, and PowerPoint.
Ability to travel up to 25%.
Ability to sit and work in front of computer screens for extended periods.
Ability to reach with hands or arms in any direction and manipulate objects with finger dexterity, such as using a keyboard.
Ability to listen to, understand, and communicate spoken information; read and understand written information; apply general rules to specific problems; and identify and understand another person's speech.

Responsibilities

Provide assistance to end users accessing and using IT systems.
Answer help desk calls, triage initial requests, provide support, and determine when escalation is required.
Document help desk calls and troubleshooting steps in a ticketing system before resolving or escalating tickets.
Monitor enterprise system status for outages or degraded services, perform initial troubleshooting, and notify senior administrators when needed.
Monitor and review system logs as part of daily operations.
Support configuration and management of Windows operating systems and install or load operating system software.
Support desktop hardware and operating system setup, software imaging and loading, and antivirus updates.
Support application of Security Technical Implementation Guides (STIGs) to Windows servers and workstations.
Support installation, configuration, and maintenance of third-party applications.
Perform root cause analysis on significant issues at the appropriate support level.
Support preventive maintenance, including system backups, error log reviews, database size analysis, and integrity checks.
Contribute to technical documentation, including standard operating procedures and as-built documentation for technical and non-technical audiences.
Administer and monitor cloud-based SaaS platforms to support uptime, configuration accuracy, and compliance.
Manage user access, permissions, and application settings, and check system health and reliability.
Serve as a primary contact for technical support issues and requests; monitor, triage, and resolve service desk tickets, escalating complex incidents and following through on resolutions.
Provide Tier 1 and Tier 2 support for end-user access, performance, and general usage.
Develop and maintain knowledge base articles, how-to guides, and internal support documentation.
Provide user training or onboarding support as needed.
Perform all duties under direct supervision.