System/Network Administrator Senior

System/Network Administrator Senior

Requirements

• HS Diploma and 10 years of general experience in network administration OR a bachelor’s degree (in computer science, engineering, mathematics, or related discipline) and 5 – 8 years of experience
• Active DoD IAT Level II certification (e.g. CCNA-Security, CySA+, GICSP, GSEC, Security+ CE, CND, SSCP)
• Active clearance: TS/SCI with Poly
• Extensive background in Linux tools, performance tuning, instrumentation
• Extensive background in container architectures
• Open-source software tools, software stacks, and standards
• Ability to manage a team of system administrators across a wide range of platforms and requirements
• Experience with both Windows and Linux, preferably with Linux (Rocky, RHEL, Ubuntu, etc.)
• Windows and Linux patching
• Virtualization working with VMware / OpenStack / OpenShift
• Networking Switch- VLAN setup and VMware virtual NIC config for isolation
• Active Directory configuration and support
• Hardware and Operating System troubleshooting
• Proficiency in network planning, engineering, and architecture.
• Strong understanding of network management tools and techniques
• STIG hardening recommendations
• Understanding of project design within the scope of security (RMF) requirements
• Ability to demonstrate cyber/IT related experience with attention to detail, customer service, oral and written communication, and problem solving.

Responsibilities

• Conduct functional and connectivity testing to ensure continuing operability.
• Interface with internal/external customers and vendors to determine system needs.
• Develop and document systems administration standard operating procedures.
• Maintain baseline system security according to organizational policies.
• Manage accounts, network rights, and access to systems and equipment.
• Plan, execute, and verify data redundancy and system recovery procedures.
• Install, update, and troubleshoot systems and servers.
• Comply with organization systems administration standard operating procedures.
• Implement and enforce local network usage policies and procedures.
• Manage system and server resources including performance, capacity, availability, serviceability, and recoverability.
• Monitor and maintain system and server configurations.
• Perform repairs on faulty system and server hardware.
• Troubleshoot hardware/software interface and interoperability problems.
• Identify open-source software tools and stacks for customer-specific and production platforms
• Identify and evaluate new products; provide solutions for network problems.
• Use network management tools to discover, map, and maintain the network.
• Plan and incorporate how new network resources and applications will exist on the network.
• Conduct research on new technologies and implementation strategies.
• Configure and support Palo Alto and Cisco networking devices and services to support passive and active sensors.
• Implement firewall routing rules and policies.
• Assist in procurement of hardware to meet mission needs.
• Enterprise network security management (firewalls, Intrusion Detection and Prevention (IDPs), log management/reporting solutions).
• Reporting on different network architectures, network services, system types.

Preferred Qualifications

• Linux RHEL 8 in-depth knowledge of security and operating overhead to streamline performance
• Extensive virtualization management, architectural understanding and performance behaviors
• Docker administration, installation, maintenance and tuning
• Experience analyzing performance issues and implementing efficiency improvements
• Ability to communicate effectively with technical team members, managers, and customers
• AWS Cloud or Azure Cloud experience and cloud resource administration
• Develop solutions to interconnect COTS/GOTS cybersecurity sensors and networking equipment to test, validate, and deploy improvements to the customer system(s)
• Cisco Certified Network Associate (CCNA) OR Palo Alto Networks (PAN-OS) experience is a plus
• RHCSA/RHCSE
• Experience with cloud environments (AWS, Azure, etc.)