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Network Specialist, Mid/Senior Level

ManTech | Mclean VA 22106 USA | Full Time | Posted: 11/08/2019

Job Descriptiontop

Secure our Nation, Ignite your Future

ManTech is seeking an experienced Network Specialist to support development, maintenance, and integration activities for large-scale, enterprise systems for our DoD customer. A Bachelor’s degree in Computer Science or related field with a minimum of 4 years’ experience is required. This individual will be a key team member on the project, providing networking expertise and assistance with managing multiple environments operating on both on-premise and cloud platforms. Able to work as part of a team and individually with little or no supervision.

Responsibilities:

  • Maintain an in-depth understanding of customer requirements and how they translate to application features.
  • Establish and maintain effective working relationships with the Government and component developer teams to ensure a common understanding of requirements, priorities, risks and opportunities and facilitate joint lifecycle activities.
  • Coordinate with functional and technical subject matter experts to ensure changes to systems/environments are handled and communicated properly.
  • Provide technical guidance for directing and monitoring information systems operations.
  • Perform system-level design and configuration of products including determination of hardware, OS, and other platform specifications.
  • Analyze network traffic and provide capacity planning solutions.
  • Validate changes to systems and/or environments meet network security requirements.
  • Perform vulnerability/risk analyses of computer systems and applications during all phases of the software development life cycle (SDLC).
  • Troubleshoot and address network and connectivity problems of systems and services across multiple platforms.
  • Analyze information assurance-related technical problems and provide engineering and technical support in solving these problems.
  • Perform a wide variety of tasks in software/hardware maintenance and operational support of systems.
  • Provide expertise on transmission control protocols/internet protocols (TCP/IP).
  • Perform configuration and Implementation of network devices and provide network support (DHCP, DNS) as needed.

Qualifications:

  • Detailed functional and technical knowledge of key DoD Healthcare IT systems.
  • Strong understanding of network and internet protocols (IP) in large-scale, enterprise systems.
  • Hold certifications and training compliant with Department of Defense Directive (DoDD) 8140.01 and DoD 8570.01-M.
  • Experience maintaining environments with infrastructures that have components operating on both on-premise and cloud platforms.
  • Experience validating response codes between a set of endpoints within environments to assist with verification and troubleshooting (e.g., an HTTP response code of 200 = OK).
  • Experience measuring, analyzing, and reporting system response times, accounting for network latency and time to complete application requests.
  • Experience designing and implementing solutions to improve system response times, to include coordination with component developers to make those changes.
  • Experience checking storage and databases that reside on on-premise and cloud platforms for availability and response times.
  • Experience monitoring and renewing Secure Sockets Layer (SSL) certificates prior to expiration.
  • Experience performing smoke tests to ensure that products, applications, APIs connectivity, pre-testing, and all other resources are ready for scheduled test events.
  • Experience supporting Risk Management Framework (RMF) activities for obtaining and maintaining accreditation of DoD systems.
  • Experience with the full SDLC following formal methodologies such as Waterfall, Agile, or a hybrid of both.
  • Experience with Capacity Planning and Performance Analysis.
  • Experience using the MS Office Suite (Word, Excel, PowerPoint), Project 2000, Access, and Visio.
  • Good organizational skills.
  • Effective communication skills (oral & written).
  • Preferred:

  • Experience managing networks and network connections (internal and external) for systems operating on on-premise, cloud (particularly Azure), and hybrid platforms.
  • Experience working in a DevSecOps framework, incorporating security into all aspects of the project lifecycle.
  • Experience with providing input for project documentation such as the System Design Document (SDD), System/Subsystem Design Document (SSDD), Interface Design Document (IDD), Interface Control Document (ICD), and Database Design Description (DBDD).
  • Familiarity with the various DoDAF views applicable to DoD systems.

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 because of race, color, sex, religion, age, sexual orientation, gender identity and expression, national origin, marital status, physical or mental disability, status as a Disabled Veteran, Recently Separated Veteran, Active Duty Wartime or Campaign Badge Veteran, Armed Forces Services Medal, or any other characteristic protected by law.

If you require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please contact ManTech's Corporate EEO Department at (703) 218-6000. ManTech is an affirmative action/equal opportunity employer - minorities, females, disabled and protected veterans are urged to apply. ManTech's utilization of any external recruitment or job placement agency is predicated upon its full compliance with our equal opportunity/affirmative action policies. ManTech does not accept resumes from unsolicited recruiting firms. We pay no fees for unsolicited services.

If you are a qualified individual with a disability or a disabled veteran, you have the right to request an accommodation if you are unable or limited in your ability to use or access http://www.mantech.com/careers/Pages/careers.aspx as a result of your disability. To request an accommodation please click careers@mantech.com and provide your name and contact information.

Job Detailstop

Location Mclean, VA, 22106, United States
Categories Professional
Sec Clearances Secret

Location Maptop

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Job Code R04997