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Firewall Engineer

ManTech | Bethesda MD 20894 USA | Full Time | Posted: 10/18/2019

Job Descriptiontop

Secure our Nation, Ignite your Future

ManTech is seeking a Firewall Engineer to provide support and to operate network and security components which include routers, switches, firewalls, load balancers, wireless devices, data centers, and cloud services. The successful candidate will support multiple networks that operate 24 hours a day 365 days a year requiring 99.99995% uptime. Normal business hours are between 6 a.m. and 6 p.m. Eastern Time. Daily duties include managing the USCIS network and security devices which include and are not limited to the following:

  • Cisco ASA
  • Cisco Security Manger
  • Cisco routers/switches/firewalls
  • IPS/IDS modules
  • Cisco ISE
  • Amazon Cloud
  • Data center infrastructure
  • Network Enclaves
  • Xceedium Gatekeeper
  • Riverbed
  • Solarwinds
  • Cisco Prime
  • McAfee
  • HP Fortify
  • HIDS
  • Two Factor Authentication
  • Identity and Biometric tools
  • Bluecoats

Duties:

  • Troubleshooting Tier 3 and 4 level issues for LAN / WAN networks
  • Troubleshooting Enclaves
  • Working on Change Requests, Incidents, Work Orders
  • Resolving Emergency Break Fix problems
  • Ability to work in ServiceNow and use this tool effectively to work
  • Understanding the work flows to expedite and provide operations support
  • Collaborate with multiple teams for resolving issues
  • Maintain documentation for all network infrastructure changes and process flows
    • Document all processes and procedures
    • Post documents to EID SharePoint site
  • Serve as the technical expert for network infrastructure, security tools, appliances and services
  • Collaborate with Network Architecture & Engineering teams to recommend solid well thought out solutions
  • Responsible for mentoring junior staff and expanding their skill set
  • Responsible for leading CIRT calls and outage resolutions

Qualifications:

  • Expertise in one or more of the following tools and technologies:
    • Cisco Network and Security Technologies
    • Cisco Wireless Technologies
    • Amazon Cloud Services
    • Cisco Data Center Technologies
    • Riverbed Technology
    • Performance Engineering tools and technologies
  • Experience serving as an escalation point for network and performance issues and ensuring their resolution
  • Experience analyzing and resolving tickets with limited internal/external support
  • Strong ability to operate as member of a multi-functional team
  • Ability to multi-task and keep track of work
  • Must be an expert on subnet masking and IP addressing
  • Must understand multi-tier networks and have proven ability to resolve issues
  • Must have excellent written and verbal skills in English
  • Must have self-motivation and initiative to tackle large problems from start to finish
  • Must have excellent time management skills to work in a fast-paced professional environment
  • Must have the ability to design solutions that are not cookie cutter
  • Must have project management and time management skills
  • Must know Visio diagramming and Microsoft office tools suite
  • Must be able to work independently and within a matrixed organization
  • Must have networking expertise and drive work to closure
  • Must have excellent customer service skills and high threshold for stress
  • Must want to be in an Operations environment
  • Ability to follow directions from management
  • Availability to work outside of normal business hours to support a production network
  • Must be available to be on call many weeks throughout the year
  • Must have excellent team work and collaborations skills
  • Ability to maintain composure in a fast paced, high stress, demanding environment
  • Current USCIS EOD highly desired
  • Experience operating in a DevOps environment for at least twelve months highly desirable

Education/Experience:

  • Master’s degree or higher, and/or >15 years of experience

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 Bethesda, MD, 20894, United States
Categories Professional
Sec Clearances Public Trust

Location Maptop

Contact Informationtop

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Job Code R02415