Systems Engineer

The Opportunity

NTS is seeking a Systems Engineer with experience designing, configuring, integrating, deploying, and sustaining secure operating environments and supporting infrastructure. The Systems Engineer will support system architecture, integration, configuration, testing, troubleshooting, and security hardening, with a primary focus on Linux-based systems, particularly Red Hat Enterprise Linux (RHEL) 8/9 and Rocky Linux 8/9.

The position will support U.S. Department of State (DoS) requirements in domestic and overseas (OCONUS) locations where system reliability, security, and operational readiness are essential. The Systems Engineer will work with multidisciplinary technical teams to integrate operating systems, applications, virtualization technologies, and supporting infrastructure to meet mission requirements.

Key Responsibilities (Principal Duties and Accountabilities *Essential Functions)

• Design, configure, integrate, deploy, test, troubleshoot, and sustain Linux-based systems and supporting infrastructure.
• Configure, maintain, and troubleshoot Red Hat Enterprise Linux (RHEL) 8/9 and Rocky Linux 8/9 environments.
• Perform system integration activities to ensure operating systems, applications, hardware, and supporting components function together as intended.
• Implement system configurations, security hardening, patching, and vulnerability remediation in accordance with applicable security requirements.
• Configure and support Java-based applications, associated runtime environments, and related scripting or configuration requirements.
• Apply security baselines and implement system security controls in accordance with applicable policies and Security Technical Implementation Guides (STIGs).
• Perform system installation, integration, verification, validation, testing, and deployment activities.
• Troubleshoot system-level issues involving operating systems, applications, services, performance, connectivity, and interoperability.
• Support system configuration management, version control, software updates, and system lifecycle maintenance.
• Support virtualization technologies, including VMware, and integrate virtualized systems with supporting infrastructure.
• Support integration and interoperability between Linux and Windows Server environments as required.
• Configure and troubleshoot system security components, including certificates, authentication services, VPNs, and access controls.
• Support system monitoring, diagnostics, performance analysis, and operational readiness activities.
• Develop and maintain system architecture diagrams, configuration documentation, installation procedures, test plans, and as-built documentation.
• Support security assessment, authorization, and continuous monitoring activities in coordination with cybersecurity and information assurance personnel.
• Coordinate with network engineers, software engineers, cybersecurity personnel, customers, and vendors to resolve integration issues and meet technical requirements.
• Support domestic and OCONUS system installations, integrations, troubleshooting, maintenance, and field deployments as required.
• Perform other duties as assigned in support of program and mission requirements.

Requirements

• Fluency in English (written and spoken)
• Clearance Eligibility: Maintain a minimum of SECRET US Security clearance which requires US Citizenship

Education

• Bachelor’s degree in technical discipline, or the equivalent combination of education & experience may be considered where permitted by contract requirements

Required Skills, Experience & Abilities

• 5+ years of relevant experience in systems engineering, systems integration, system deployment, or a related technical field
• Hands-on experience configuring, integrating, deploying, and troubleshooting Linux-based systems, particularly Red Hat Enterprise Linux (RHEL) 8/9 and/or Rocky Linux 8/9
• Experience with Linux system hardening, secure configuration, patching, and vulnerability remediation
• Experience integrating operating systems, applications, and supporting infrastructure in enterprise or mission-critical environments
• Experience configuring and supporting Java-based applications and related runtime environments, including scripting or configuration tasks
• Working knowledge of system architecture, operating system functionality, system dependencies, and technical integration requirements
• Experience with system installation, configuration, integration, testing, verification, validation, and sustainment
• Experience implementing security baselines and hardening requirements, preferably including DISA STIGs
• Ability to troubleshoot system configuration, application compatibility, performance, and interoperability issues
• Working knowledge of networking fundamentals, including TCP/IP, DNS, and system connectivity
• Ability to develop and maintain system diagrams, technical documentation, configuration records, and test procedures
• Strong analytical, problem-solving, written, and verbal communication skills
• Ability to work independently and effectively as part of a multidisciplinary technical team

Preferred Qualifications

• Experience with virtualization technologies such as VMware (version 7.0 and above).
• Familiarity with software-defined networking and virtualized infrastructure.
• Experience with security and VPN solutions.
• Experience with Active Directory/LDAP, certificates, and multifactor authentication (MFA).
• Familiarity with system monitoring, diagnostic, and performance management tools.
• Familiarity with the security assessment and authorization process, including Risk Management Framework (RMF) and Authority to Operate (ATO) support.
• Experience with system configuration management, software deployment, and lifecycle management.
• Familiarity with enterprise applications and administrative tools, including Remote Desktop and Microsoft Visio.
• Experience supporting data center operations, enterprise infrastructure, and mission-critical systems.
• Experience supporting U.S. Government or Department of State environments.
• Experience supporting domestic and OCONUS field deployments.
• Strong problem solving, analytic, and communication skills
• Ability to work well independently under pressure and time constraints, in a small team environment
• Ability to work occasional evenings and/or weekends as job duties demand

Physical Demands & Work Environment The physical demands and work environment described are representative of those that an employee encounters while performing the essential functions of this job. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions.

• Capable of lifting and moving information technology equipment up to 50 pounds
• Ability to work occasional evenings and/or weekends as job duties demand
• The noise level in the work environment is usually moderate.
• Professional office environment with standard office equipment (computers, phones, printers).
• Frequent interaction with clients, executives, and government officials in both in-person and virtual settings.
• Regular travel to customer sites, government facilities, and industry events.
• Fast-paced, deadline-driven environment requiring adaptability and responsiveness.
• Work may occasionally be performed in secure government facilities, requiring adherence to security protocols.
• This position may involve travel to government test sites, training ranges, and operational locations, including potential OCONUS destinations for short periods of time.
• Work may be conducted in laboratory, workshop, office, and field environments with varying conditions.