IT Systems Engineer I​/II Security Clearance

IT Systems Engineer I/II

Position Description | Arion Systems, Inc. (ASI)

Location:

15040 Conference Center Drive Suite 200

Employment Type:

Full-Time

Security Clearance:
Active TS/SCI with adjudicated polygraph required

Certification:
Current CompTIA Security+ certification required

Anticipated Salary Range: $105,000 - $130,000 annually

Arion Systems, Inc. (ASI) is seeking a motivated IT Systems Engineer I/II to support mission‑critical information technology systems within the Washington, DC metropolitan area. This position is designed for an IT professional who has established foundational systems administration and engineering skills and is ready to expand technical capabilities while supporting complex systems in a secure operational environment. The IT Systems Engineer will work as part of an integrated technical team responsible for supporting, maintaining, troubleshooting, configuring, testing, and improving enterprise IT systems and associated infrastructure.

The successful candidate will demonstrate technical curiosity, sound troubleshooting skills, attention to detail, and the ability to work effectively both independently and within a multidisciplinary engineering team. This position provides an excellent opportunity for continued professional growth across systems engineering, virtualization, infrastructure support, automation, cybersecurity, and related technologies.

Founded in 1985, Arion Systems, Inc. is an engineering and technical services company headquartered in Chantilly, Virginia. ASI applies engineering, scientific, analytical, and emerging technology expertise to help government and commercial customers solve challenging technical and operational problems. ASI's capabilities include systems engineering, project management, network solutions, custom software, operational analysis, advanced technology development, and other specialized engineering services. The company emphasizes mission accomplishment, technical quality, integrity, employee development, and challenging professional opportunities that expand employees' technical capabilities.

• Install, configure, maintain, and troubleshoot Windows and/or Linux-based servers, workstations, applications, and supporting infrastructure.
• Support day-to-day system administration and engineering activities across physical and virtual computing environments.
• Monitor system health, availability, capacity, and performance and assist in identifying potential issues before they affect mission operations.
• Diagnose hardware, software, operating system, application, network connectivity, and system integration issues.
• Assist with system upgrades, patches, configuration changes, testing, deployment, and technical refresh activities.
• Support vulnerability remediation, system hardening, patch management, and other cybersecurity compliance activities as assigned.
• Develop and maintain system documentation, configuration records, troubleshooting procedures, technical diagrams, and standard operating procedures.
• Participate in system testing and document test procedures, results, deficiencies, and corrective actions.
• Work collaboratively with systems engineers, network engineers, cybersecurity personnel, software developers, program leadership, customers, and other technical professionals.
• Participate in technical reviews, engineering discussions, and continuous process improvement activities.
• Perform other systems engineering and IT support responsibilities consistent with program and customer requirements.

• Active TS/SCI security clearance with an adjudicated polygraph.
• Current CompTIA Security+ certification or an approved equivalent that satisfies applicable customer cybersecurity workforce requirements.
• Foundational professional experience supporting information technology systems, system administration, systems engineering, networked computing environments, or a closely related technical discipline.
• Understanding of basic networking concepts, including TCP/IP, DNS, DHCP, network connectivity, and common troubleshooting techniques.
• Familiarity with cybersecurity fundamentals, access control, system security, patching, and secure configuration practices.
• Ability to troubleshoot technical issues methodically and document findings and corrective actions.

• Bachelor's degree in Computer Science, Information Technology, Information Systems, Cybersecurity, Engineering, or a related technical discipline is preferred.
• Relevant technical training, military experience, certifications, and directly applicable professional experience may be considered in combination with or in lieu of a degree, subject to contract requirements.
• Approximately 1-4 years of relevant professional experience in systems engineering, systems administration, IT operations, infrastructure support, or a related technical field is preferred.
• Candidates with strong technical foundations and demonstrated…