System Administrator Senior

Enterprise Solutions and Management (ESM) is a rapidly growing government contractor that provides strategic IT services that meet mission needs for Defense and Federal customers. We are hiring a System Administrator- Senior to support an enterprise-level program within a federal environment.

Job Description and Responsibilities

The Senior System Administrator ensures stable secure and efficient operation of critical IT infrastructure including servers networks storage applications and communication links across multiple locations. Responsibilities include planning installing configuring maintaining upgrading and optimizing systems; troubleshooting software connectivity and performance issues; and conducting capacity and vulnerability management. Ensures compliance with STIGs and RMF requirements and applies advanced technical expertise in Active Directory VMware Linux Windows application networking load balancing and fault-tolerant architectures. Improves operational efficiency through automation scripting and standardized procedures; provides system administrator and end-user training; and develops recommendations for technology improvements aligned with business and mission objectives. Provides local and remote support leads system administrators in day-to-day operations and provides senior-level troubleshooting mentorship documentation patching and incident response to maintain system availability and mission readiness.

Required Knowledge Skills and Abilities (KSA)

• Knowledge of server storage network and virtualization technologies including Active Directory (AD) DNS DHCP Group Policy (GPO) and VMware.
• Ability to maintain system availability performance and security through monitoring patching vulnerability remediation firewall management and compliance with DoD STIGs and RMF requirements.
• Skill in developing technical documentation SOPs network diagrams and system images as well as automating administrative tasks using PowerShell Python Ansible or similar scripting tools.
• Ability to diagnose and resolve complex system and network issues and provide advanced Tier 2/3 technical support including backup recovery and disaster recovery operations.
• Skill in documenting and communicating system status incidents outages and corrective actions through formal technical reports and briefings.
• Ability to assess infrastructure requirements recommend technology improvements and collaborate effectively with technical teams and military and civilian stakeholders.

Desired KSA

• Be a positive self-motivated and proactive person with the ability to adapt to change and tolerate stressful situations
• Candidate must communicate effectively with team members team lead management and government customers
• Must have the ability and desire to research and develop creative solutions to unique problems with minimal supervision

Minimum Training Education and Certifications

• Minimum of five (5) years of experience as a System Administrator in a Microsoft Windows operating system environment.
• Minimum of ten (10) years of specialized Information Technology experience including at least four (4) years of hands-on experience installing configuring maintaining and troubleshooting a variety of hardware and software solutions.
• Minimum of three (3) years of experience configuring and managing IBM MQ.
• Minimum of three (3) years of experience configuring and managing Windows Internet Information Services (IIS).
• Must hold a minimum Bachelors degree of Computer Science or other relevant field of study
• DOD 8140 baseline certification - IAT Level II
• Microsoft Windows Server Hybrid Administrator Associate credential
• IBM MQ v9.4 Administrator - Professional or newer certificate

Minimum Clearance

• Top Secret

Physical Requirements

• Required to stand walk and sit; communicate verbally both in person and by telephone; use hands to finger handle or feel objects or controls; reach with hands and arms. Regularly required to stoop kneel bend crouch and lift up to 25 pounds. Specific vision abilities required by this job include close vision distance vision depth perception color vision and the ability to adjust focus.
• Physical demands associated with this position include extensive walking (including stairs) throughout offices and between buildings. May require use of public transportation personal or Government vehicle to drive to local and/or remote office locations.

Additional Requirements

• Other duties as assigned

ESM provides equal employment opportunity to all individuals regardless of race color creed religion gender age sexual orientation national origin or ancestry disability genetic information veteran status gender identification or any other characteristic protected by state federal or local law.

Required Experience:

Unclear Seniority