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Senior Network Engineer

L6

a3t agil3 technology solutionsSacramento, CAtoday

Occupations

Network and Computer Systems AdministratorsComputer Network ArchitectsComputer Network Support Specialists

Industries

Computer Systems Design ServicesComputer Facilities Management ServicesOther Computer Related Services
Agil3 Technology Solutions (A3T) is seeking an experienced Senior Network Engineer to provide enterprise network engineering, administration, sustainment, and Tier III technical support for the U.S. Government IT environment. The Senior Network Engineer will be responsible for designing, configuring, maintaining, monitoring, securing, documenting, and troubleshooting enterprise network infrastructure supporting customer operations. The position supports geographically dispersed locations and works closely with Systems Engineering, Systems Administration, Cloud Engineering, Cybersecurity, and Technical Support personnel.
Key Responsibilities:
  • Engineer, configure, administer, maintain, monitor, and troubleshoot enterprise LAN, WAN, and wireless network infrastructure
  • Configure and maintain Cisco network equipment and associated network-management technologies
  • Manage and troubleshoot switches, routers, wireless infrastructure, network interfaces, VLANs, IP addressing, and related network services
  • Support Internet Protocol Address Management (IPAM) and maintain accurate IP address and VLAN assignments
  • Configure and maintain network access and connectivity supporting users, servers, applications, cloud services, and enterprise systems
  • Support and troubleshoot DISA and commercial telecommunications circuits, including coordination with external service providers when necessary
  • Open, manage, track, and resolve technical support cases with Cisco TAC and other network-equipment vendors
  • Diagnose complex network outages, degraded performance, packet loss, connectivity failures, routing problems, wireless issues, and other infrastructure incidents
  • Monitor network availability, utilization, capacity, performance, and security and proactively identify potential service degradation
  • Perform advanced root-cause analysis of network and infrastructure incidents and recommend corrective actions
  • Install and implement network device software, firmware, patches, and security updates in accordance with applicable cybersecurity directives
  • Support applicable IAVA/IAVB/IAVM, STIG, vulnerability-remediation, and cybersecurity-hardening activities affecting network infrastructure
  • Coordinate with Cybersecurity personnel to remediate vulnerabilities and maintain secure network configurations
  • Maintain configuration baselines and participate in formal configuration- and change-management processes
  • Maintain current network diagrams, architecture documentation, equipment configurations, circuit information, SOPs, troubleshooting procedures, and other technical documentation
  • Develop and maintain Standard Operating Procedures (SOPs) and After Action Reports (AARs) for significant outages, maintenance activities, upgrades, and network incidents
  • Identify network equipment approaching End-of-Life (EOL) or End-of-Support (EOS) and provide recommendations for technology refresh and replacement
  • Support network equipment replacement and Return Material Authorization (RMA) activities
  • Support network modernization, upgrades, migrations, installations, and technology-refresh initiatives
  • Coordinate with Cable/Infrastructure Technicians concerning premise wiring, patch panels, network closets, fiber/copper connections, and physical connectivity issues
  • Work with Systems Engineers and Systems Administrators to troubleshoot network-dependent services and application connectivity
  • Coordinate with Cloud Engineers concerning connectivity between on-premises environments and Microsoft Azure/cloud resources
  • Provide Tier III escalation support for complex network problems escalated by Systems Administrators and Technical Support personnel
  • Provide technical guidance and mentoring to network, systems, and support personnel
  • Minimum Experience
  • Must have 8+ years of progressively responsible network administration, network engineering, or enterprise infrastructure experience
  • Must have an active DoD Secret security clearance
  • Must have a Cisco Certified Network Professional (CCNP) certification
  • Must meet applicable DoD 8140/DCWF requirements for Work Role 441 at the Advanced proficiency level
  • Demonstrated experience supporting complex enterprise LAN/WAN environments
  • Advanced experience configuring and troubleshooting Cisco routing and switching technologiesExperience supporting enterprise wireless network infrastructure
  • Strong understanding of TCP/IP, routing, switching, VLANs, subnetting, DNS, DHCP, SNMP, VPNs, and network-access technologiesExperience with network monitoring, performance analysis, fault isolation, and capacity management
  • Experience troubleshooting DISA, telecommunications-provider, WAN, or comparable enterprise circuit connectivityExperience performing network-device patching, firmware/software upgrades, and configuration changes
  • Experience implementing and maintaining secure network configurations
  • Knowledge of DoD cybersecurity requirements applicable to network devices and infrastructureExperience with enterprise network-management and monitoring technologiesExperience maintaining network architecture diagrams, configurations, SOPs, circuit documentation, and technical procedures
  • Experience working within formal configuration-management and change-management processes
  • Demonstrated ability to perform advanced network troubleshooting and root-cause analysis
  • Ability to independently resolve complex technical issues and coordinate resolution across multiple engineering disciplines
  • Strong written and verbal communication skills
  • Ability to support geographically dispersed users and infrastructure
Preferred Qualifications:
  • Bachelor's degree in Information Technology, Computer Science, Network Engineering, Cybersecurity, Engineering, or related technical discipline
  • CompTIA Security+, CySA+, SecurityX/CASP+, CISSP, or other certification
  • Experience with Cisco Catalyst switches, routers, wireless controllers, and enterprise wireless access points
  • Experience with Cisco Identity Services Engine (ISE) or comparable network-access-control technology
  • Experience with enterprise firewalls and security appliances
  • Familiarity with DISA STIGs, ACAS/Tenable findings, IAVA requirements, and DoD vulnerability-management processes
  • Experience with SolarWinds or comparable network-monitoring/management platforms
  • Experience supporting fiber and copper network infrastructureExperience with Microsoft Azure networking or hybrid cloud connectivity
  • Familiarity with VPN, Express
  • Route, cloud routing, network security groups, and hybrid enterprise connectivityExperience with Service
  • Now or another enterprise ITSM/ticketing platformITIL Foundation certification or experience working within an ITIL-based service-delivery environment
  • Previous USMC, Navy, DISA, or other DoD enterprise networking experience
Company Overview: Agil3 Technology Solutions LLC ("A3T") is a Northern Virginia based, ISO 9001, ISO 20000-1 & ISO 27001 Certified, Women-Owned (WOSB) and Service-disabled Veteran-Owned (SDVOSB) small business. A recent recipient of the prestigious Washington Technology TOP 50 (ranking #9, and on the list for last 4 years!), A3T is experiencing industry leading recognition and growth. In addition to the CEO’s recognition as an “All-Star Entrepreneur”, A3T is recognized by Inc Magazine as one of the fastest growing companies in the country, by Vet 50 as Fastest Growing Veteran-Owned Businesses, and is featured in Cyber Security Ventures / Cybercrime Magazine! “As a go-to Women-Owned Cybersecurity company in US and internationally”. As part of our growth, we are looking for YOU to join our growing team. A3T offers excellent benefits to enhance the work-life balance, including: Medical Insurance Dental Insurance Vision Insurance Life Insurance Short Term & Long-Term Disability 401k Retirement Savings Plan with Company MatchPaid Holidays Paid Time Off (PTO) Tuition and Professional Development Assistance Parking/Travel Reimbursement (metropolitan areas)
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Level

LeadL6

Location

Sacramento, CA

Occupation

Network and Computer Systems Administrators

Industry

Computer Systems Design Services

Posted

today

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