Networks Administrator

Description & Requirements ManTech is seeking a Network Administrator to help support our current USMC contract out of Quantico, VA. The successful candidate will be joining a diverse team at an industry-leading organization known for prioritizing employee development and offering opportunities for advancement. Responsibilities include but are not limited to: Provide support for Network Services, which involves the planning, analysis, design, development, testing, quality assurance, configuration, installation, implementation, integration, maintenance, and/or management of networked systems used for the transmission of information in voice, data, and/or video formats Support network operations and sustainment on all system application network systems Create, maintain, execute, and report on technical service sustainment plans covering the assessment, design, engineering, integration, automation, deployment, upgrade, patching, configuration, monitoring, auditing, and troubleshooting of system application network systems Establish, measure and report on system application network systems: technical, performance and security baselines Design, create, deploy, and maintain a comprehensive network service automation and delivery plan integrated to the Data Center Service Catalog for use and consumption by system application network systems Integrate system application network systems into Data Center and Enterprise ITSM, management, monitoring and cybersecurity tools, systems, and application suites Monitor and assess data center customer and vendor: release schedules, alerts and notifications; create and maintain a forward schedule of change integrated with the data center IMS and SC covering the induction, upgrade, patching and hotfix application of/to WGC application network systems Design, publish and maintain an end-to-end network/network service architecture, design and sustainment for: segmentation, traffic flow, IP address management, white/blacklist, iRule/redirection/filtering, net flow, access control, routing, authentication, proxy/reverse proxy, DoD demilitarized zones, public key enabled/public key infrastructure: framework, workflows, templates and common administrative procedures Create, maintain, and coordinate the execution of individualized network isolation procedures supporting incident/spillage response plans and events Configure and optimize network hubs, routers, and switches (e.g., higher-level protocols, tunneling Minimum Qualifications: At least 5 years of network administration experience to include the following: Must patch and implement security controls in response to IAVAs and OPDIRs on respective network equipment (physical and virtual) Working knowledge of network standards/protocols/security, hardware, and application virtualization Working knowledge of local area and wide area networking principles and concepts including bandwidth management Working knowledge of the Windows and/or Linux Operating systems to include Server and Workstation environments Hands-on experience with network equipment including hubs, routers, switches, bridges, firewalls, servers, transmission media, and related hardware Hands-on experience with network systems design, development, testing, installation, operations, management, and maintenance concepts and methods Current DoD 8570 IAT Level II Certification (Security CE or equivalent) Preferred Qualifications: Knowledge of standard DoD and Marine Corps concepts, practices, and procedures.Familiarity with Navy/Marine Corps interoperability requirements is preferred Support to tactical SATCOM programs Familiarity with Load Balancers (hardware and software) Cloud experience - AWS Preferred Juniper Operating System (JUNOS) and/or CISCO IOS Strong TCP/IP foundation, BGP, QoS, and Multicast Network Security Appliances to include Type1 encryption devices Video Teleconference (VTC), Desktop VTC, and Voice Over Internet Protocol (VOIP) integration and management WAN technologies, protocols, and optimizers Active Directory, Group Policy, Windows Server, Linux OS, Networks, MS Exchange, MS Lync, MS SQL Server, SCCM, SCOM, Service Manager, Networked Printers/Services, Distributed File Services, Data Protection Manager, MS SharePoint, PowerShell, JavaScript Working knowledge of DoD STIGs related to the applicable technologies and how to implement, mitigate, and write POAM statements Clearance Requirement: TS/SCI Physical Requirement: Sedentary Work ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran. If you are a qualified individual with a disability and require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please email us at careersmantech.com and provide your name and contact information.