SR Systems Administrator with Security Clearance
4 weeks ago
• Provide expert technical knowledge to monitor and maintain an enterprise services environment consisting of Windows servers, Red Hat Enterprise Linux servers, and network appliances.
• Assist mission partners with mobile device VPN connectivity debugging, user account and device management, and troubleshooting system/service access issues.
• Implement and deploy scripting or automation tools to optimize processes and improve the efficiency of the environment - PowerShell, Python, Bash, Ansible, Puppet.
• Be a point of escalation for lower-level technicians and higher difficulty issues.
• Lead configuration updates and maintenance activities to patch, secure, and maintain systems.
• Respond to, analyze, and resolve issues that degrade system or network performance to minimize downtime.
• Use advanced systems and networking knowledge to develop solutions for complex technical issues.
• Create and update documentation for common issues and processes, technical drawings, and related artifacts to contribute to the team’s knowledge base.
• Collaborate with other technical experts and external stakeholders to provide engineering solutions for design changes and upgrades.
• Mentor, lead, and train junior level team members. Basic Qualifications: • Bachelor's degree and 8 years of related experience or Master’s degree and 6 years of related experience. Additional experience, education and training may be considered in lieu of degree.
• Active DoD SECRET clearance.
• DoD-8570 IAT Level 2 certification (Security+ CE) within 6 months of hire date.
• Extensive experience troubleshooting Windows OS or Linux OS, network, and domain related issue.
• Extensive experience performing system administration tasks - installing, maintaining, monitoring, recovering, rebuilding, upgrading, patching.
• Extensive experience researching complex technical solutions beyond internal SOPs.
• Experience working with multiple technologies and open to learning new technologies.
• Fluent understanding of networking concepts such as OSI Model, LAN/WAN, IPv4/IPv6, subnetting and VLANs.
• Experience maintaining systems and services in an air-gapped environment.
• Ability to demonstrate good judgement, professionalism, and communicate clearly (verbal and written).
• Highly proficient problem solving, critical thinking, and analytical skills. Desired Qualifications (not required, but a huge plus): • Experience with VMWare - ESX/ESXi, vCenter, vSphere.
• Experience with AD, SCCM, SQL, MySQL, SELinux, DNS, Group Policy management.
• Experience configuring and maintaining network devices - switches, routers, firewalls, VPNs.
• Knowledge of security policies such as DISA STIGS and general vulnerabilities management.
• Certifications with major system vendors such as Microsoft, Red Hat, VMware, Cisco, Juniper, or Aruba.
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