Job Duties and Responsibilities
ManTech is seeking a Senior Network 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 in both a greenfield and brownfield infrastructure. 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 & 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
o Document all processes and procedures
o 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:
o Cisco Network and Security Technologies
o Cisco Wireless Technologies
o Amazon Cloud Services
o Cisco Data Center Technologies
o Riverbed Technology
o 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
Other:
Clearance Requirements – US Citizen with the ability to obtain Public Trust and complete DHS Security Clearance; Ability to obtain DHS EOD suitability or Current DHS EOD preferred.
Location – Bethesda, MD; Stennis, MSQualifications
Requires Bachelor’s degree in (Computer Science, Math or Engineering) or equivalent, and five to seven years of related experience.Degrees
Equivalent Experience/EducationYears of Experience
11-13 years w/High School Diploma