Senior Linux System Administrator

Belay Technologies has been voted Baltimore Business Journal's (BBJ) Best Places to Work 2019, runner up in 2020 and a finalist in 2021!    

Belay Technologies is seeking a Senior Linux System Administrator (SA). The SA provides support for implementation, troubleshooting and maintenance of Information Technology (IT) systems. The SA manages IT system infrastructure and any processes related to these systems. The SA provides support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices, mobile devices, etc. The SA provides Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis and resolution of problems. The SA provides support for the escalation and communication of status to agency management and internal customers. The SA provides support for the dispatch system and hardware problems and remains involved in the resolution process. The SA configures and manages UNIX and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity and configures network components along with implementing operating systems enhancements to improve reliability and performance. The selected candidate will be responsible for monitoring test infrastructure systems, applications, and processes, and for ensuring that all issues are identified, tracked, and resolved in a timely manner. The environment includes Microsoft-based servers, databases, and workstations as well as VMware and Linux server instances and an extensive network infrastructure (LAN and WAN). The candidate will also manage and maintain system backups and instances as well as explore opportunities to automate and optimize the systems.

 

Candidates should have the following qualifications: 

• TS/SCI with polygraph is required.        
• Bachelor’s degree in a technical discipline from an accredited college or university is required. Five (5) years of additional SA experience may be substituted for a bachelor’s degree.
• Fifteen (15) years’ experience as a SA in programs and contracts of similar scope, type, and complexity is required.
• Must have at least 6 years of experience with Linux server administration (RHEL and/or CentOS) in an enterprise environment (including both hardware installs and virtual machines).
• Will need to be available to respond to system administration and maintenance problems while off duty, on an on-call basis.
• At least 7 years of experience providing support for users and systems in Information Technology and/or information security environments.
• At least 2 years of experience with network switches, routers, and firewalls from Cisco, Juniper, or similar enterprise vendors.
• Must have experience in or familiarity with the following systems: Windows/Linux operating systems, VMware, VSphere and Vsphere architecture, VCenter
• Must have experience deploying VCenter instances and virtual machines.
• Must have experience with VDI architecture and environments.
• Must have experience managing YUM repository.
• Must have a solid understanding of advanced security protocols and standards, and information security principles and practices.
• Must have in-depth experience with software and security architectures.
• Must have experience helping users, optimizing system operations, and monitoring IT enterprise systems.
• Must possess strong analytic abilities and must be meticulous and careful in their work.
• Must be an independent thinker capable of working proficiently independently as well as within a team.
• Must be committed to adopting and adhering to best practices including compliance with maintenance windows and change control procedures.
• Must be able to support planned after hours’ activities on occasion.
• May be asked to perform short duration travel to non-hostile locations for tasks such as system upgrades and installs.

Candidates are required to have the following skills:

• Monitoring test infrastructure systems, applications, and processes, and for ensuring that all issues are identified, tracked, and resolved in a timely manner.
• Manage and maintain system backups and instances as well as explore opportunities to automate and optimize the systems.
• Maintaining a complex server-based enclave, including mitigation from performing system scans, vulnerability management activities, and active directory configuration.
• Planning and implementing IT enhancements and undertaking project work.
• Identifying and correcting hardware and software issues.
• Providing timely and professional support in response to calls and emails.
• Participating in the creation and ongoing maintenance of documentation ensuring that clear, concise, and acc