Senior Systems Administrator (DAAS API GW)

Who we are:

Horizon Industries Limited (Horizon) is a dynamic IT and Management Consulting firm based in the Washington, DC area. Founded in 1996, Horizon Industries Limited (Horizon) has evolved into a company of highly qualified professionals that provides full-cycle IT consulting and Management support in both the private and public sectors.

Horizon’s culture is based on our core values, and we PRIDE ourselves on a diverse, employee- and family-centric approach.

Our ideal candidate will possess the following qualifications and expertise

Ensures the stable operation of the in-house computer software systems and network connections. This includes planning, developing, installing, configuring, maintaining, supporting, and optimizing all network software and communication links. Organizes and directs the configuration and operation of information management systems. Analyzes and resolves end user software program and connectivity issues.

Conducts capacity and performance analysis and provides system configuration change and upgrade recommendations. Increases system administrator efficiency and accuracy via the use of automated tools and scripts, develops system administrator procedures, and conducts system administrator training and skills assessment. Provides end user training. Provides recommendations on technology direction to align with business vision. Provides local and remote maintenance support to various operational systems deployed at more than one location. Support includes general maintenance, upgrades, and new installs of servers and applications. Directs the work of other system administrators to provide the day-to-day system administration to include system and resource optimization, and user assistance. Applies advanced technical knowledge of application networking, including load balancing applications, and ensuring fault tolerance. Performs vulnerability management.

Minimum Experience

• Ten (10) years specialized experience (Specialized experience is defined as progressive experience in the field of Information Processing, where the majority are specialized in numerous specialized Information Processing disciplines involving a range of hardware/software solutions, at least four years of which are concentrated, hand-on experience in installing, configuring, maintaining, and resolving issues with various software).

Required Skills

• Certification: Relevant certification from a nationally recognized technical authority
• Education: BS or BA in technical discipline
• Investigative Requirement: Secret clearance
• 8570/8140: DoW Approved 8570 Baseline Certification: Category IAT Level I
• Computing Environment: AWS Certified Solutions Architect-Associate or Certified MuleSoft Associate Certification within 3 months after onboarding start date.

Remote Work Environment

This position is performed in a 100% remote, collaborative environment supporting government development activities. The employee will work closely with Task Order Project Manager, Requirements Analysts, Scrum Master, Developers, Testers, and Government stakeholders through virtual meetings and Agile ceremonies. Employees must maintain a secure remote workspace, use government-approved systems and security controls, and comply with all cybersecurity and data protection requirements, including Controlled Unclassified Information (CUI). Regular availability during standard business hours is required to support team collaboration, customer meetings, and project deliverables.