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General information

Requisition #
R56634
Locations
USA-VA-Quantico
Posting Date
11/20/2024
Security Clearance Required
Secret
Remote Type
Onsite
Time Type
Full time

Description & Requirements

ManTech is seeking a System Administrator in support of a government contract for wargaming in Quantico, Va. 

General Responsibilities:

  • 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)

  • Develop and implement network backup and recovery procedures

  • Diagnose network connectivity problem

  • Implement new system design procedures, test procedures, and quality standards

  • Install and maintain network infrastructure device operating system software (e.g., IOS, firmware)

  • Install or replace network hubs, routers, and switches

  • Integrate new systems into existing network architecture

  • Monitor network capacity and performance

  • Patch network vulnerabilities to ensure information is safeguarded against outside parties

  • Provide feedback on network requirements, including network architecture and infrastructure

  • Test and maintain network infrastructure including software and hardware devices

  • Other duties as required

Minimum Qualifications:

  • Bachelor’s degree and at least 4 to 7 years’ experience.  A total of 10 years’ experience without a degree

  • Current DoD 8570 IAT Level II Certification (Security+ CE or equivalent)

  • 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

  • Excellent communication, interpersonal skills, and ability to work independently and in a collaborative team environment

  • 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

Preferred Skills/Experience:

  • Knowledge of standard DoD and Marine Corps concepts, practices, and procedures. Familiarity with Navy/Marine Corps interoperability requirements is preferred

  • 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 Requirements:

  • Current DOD Secret Clearance, with ability to acquire TS/SCI

Physical Requirements:

  • Must be able to remain in a stationary position 50%


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 careers@mantech.com and provide your name and contact information.