Linux System Administrator-Senior Level

Nightwing-posted 2 days ago

Full-time • Mid Level

Sterling, VA

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Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers’ most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in the intelligence community, defense, civil, and commercial markets. Nightwing is seeking a highly motivated Systems Administrator to join a mature program in the Sterling VA location. The qualified Systems Administrator will support a very dynamic program in a world-class operations facility and must have a broad range of experience supporting mission critical networks and computer systems. CLEARANCE REQUIREMENT: TS/SCI with POLY

Assist with the design, implementation, and maintenance of an organization's IT infrastructure, including servers, VMs, networks, and data storage solutions
Provide advanced technical support and guidance for system-related issues, ensuring high performance, security, and availability of IT systems
Coordinate and manage IT projects, including system upgrades, and network improvements ensuring projects are delivered on time
Implement and monitor cybersecurity measures, ensuring that all IT systems comply with industry regulations and organizational policies

5+ years’ experience in troubleshooting complex network problems
5+ years’ experience in communicating with customer representatives in a variety of forums, in both written and spoken form, regarding technical subjects
5+ years of experience in IT, cybersecurity, and/or network/systems administration
Proficiency experience with Red Hat Linux (RHEL) workstations and servers, including installation, configuration, administration and troubleshooting
Working knowledge of an orchestration and automation tool such as Ansible, Salt, Puppet, Chef, etc.
Ability to optimize, secure, and manage servers to ensure high availability, performance, and scalability
Knowledge of advanced features such as virtualization, automation, and patch management with the ability to integrate these systems to support organizational requirements
Experience with administering and managing user and system accounts on Linux distributions
Ability to manage serves, workstations, users, identity policies, etc. using FreeIPA
Hands on experience with Physical rack installations, troubleshooting, and system integration
Experience with network troubleshooting and configuration
Experience with following the Security Technical Implementation Guides (STIGs) or NIST Special Publications, to ensure IT devices are properly configured and secured
Experienced with hardening systems across various platforms using STIGs to mitigate vulnerabilities and to ensure compliance with cybersecurity requirements
Experience with administering and managing user and system accounts on Linux distributions
Ability to manage serves, workstations, users, identity policies, etc. using FreeIPA
Strong communication, analytical, and decision-making skills
Experience with cybersecurity practices and compliance
Understanding and willingness to learn configuration and maintain virtual server environments
Knowledge in device/equipment integration into graphical user interfaces (GUI) for monitoring systems, utilizing various software suites

Experience with managing and troubleshooting network infrastructure, including switches, routers, and firewalls
Ability to operate in a high-speed environment with changing and evolving mission priorities
Experience with Cisco iOS and NetAPP (or network storage)

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