Markesman Group is currently seeking a highly experienced and technically proficient Senior Network Engineer to join our team in the Annapolis Junction/Linthicum, MD area. The Senior Network Engineer will play a crucial role in maintaining the operability, security, and efficiency of our systems and servers, ensuring adherence to organizational policies and procedures. The successful candidate will have a deep understanding of both Windows and Linux environments, along with expertise in networking, virtualization, and system administration.
Core Tasks:
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Functional and Connectivity Testing: Conduct functional and connectivity testing to ensure the ongoing operability of systems and servers.
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Standard Operating Procedures: Develop and document systems administration standard operating procedures to facilitate consistent and efficient operations.
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System Security: Maintain baseline system security according to organizational policies, implementing STIG hardening recommendations where necessary.
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Account Management: Manage accounts, network rights, and access to systems and equipment, ensuring proper authorization and authentication mechanisms are in place.
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Data Redundancy and Recovery: Plan, execute, and verify data redundancy and system recovery procedures to mitigate the risk of data loss and ensure business continuity.
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Systems Installation and Troubleshooting: Install, update, and troubleshoot systems and servers, resolving hardware and operating system issues promptly.
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Policy Enforcement: Implement and enforce local network usage policies and procedures to maintain network integrity and security.
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Resource Management: Manage system and server resources, including performance, capacity, availability, serviceability, and recoverability, to optimize operational efficiency.
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Configuration Monitoring: Monitor and maintain system and server configurations to ensure compliance with organizational standards and requirements.
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Hardware Repairs: Perform repairs on faulty system and server hardware, coordinating with vendors for replacement parts if necessary.
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Interoperability Troubleshooting: Troubleshoot hardware/software interface and interoperability problems, resolving issues to minimize disruptions to operations.
Requirements:
- Bachelor's degree in a technical discipline and 15 years of experience as a System Administrator, or High school diploma and 20 years of experience as a System Administrator.
- Proficiency in both Windows and Linux environments, including patching and troubleshooting.
- Experience with VMware/ESXi, including networking switch VLAN setup and VMware virtual NIC configuration for isolation.
- Active Directory configuration and support expertise.
- Strong understanding of hardware and operating system troubleshooting methodologies.
- Familiarity with Security Technical Implementation Guide (STIG) hardening recommendations.
- Knowledge of project design within the scope of security requirements, such as Risk Management Framework (RMF).
- Active TS/SCI security clearance with Full Scope Polygraph (FSP).
- Active DoD IAT Level II certification (e.g., CCNA-Security, CySA+, GICSP, GSEC, Security+ CE, CND, SSCP).
- Demonstrated cyber/IT-related experience with excellent attention to detail, customer service skills, oral and written communication abilities, and problem-solving capabilities.
