Network Architect

Sabre Systems Inc. - Sterling, VA


Sabre is seeking a Network Architect depth knowledge of network capacity planning, network management, network services and infrastructure in a complex environment to work in Sterling, VA. Exciting opportunity to lead a team with an aglie Agency that is upgrading and modernizing to the latest technologies. Candidate must have at least 10 years of experience designing, implementing, maintaining, and troubleshooting large-scale enterprise networks. The candidate needs a strong understanding of routing, switching, WAN technologies, and wireless technology. An active CCIE certification is preferred, but not required. The Network Architect will identify, evaluate, architect and recommend best of breed technology approaches to solve the business and customer problems, aligned with proper architecture standards and best practices. This role will interface directly with the customers and internal stakeholders to gather requirements, deliver solutions, identify and deliver incremental revenue opportunities. This role entails overseeing the Infrastructure and network architecture functions to ensure timely, efficient and quality designs.

Some of the following technologies are required

  • Cisco Nexus
  • Cisco NGN
  • Building Network Refresh
  • Cisco Stealthwatch
  • Cisco DNA Center
  • Cisco NetFlow
  • Cisco ISE
  • Cisco TACACS
  • Cisco Wireless
  • Cisco Firewall
  • Cisco VPN
  • Network HVA Segmentations
  • F5 GTM & LTM
  • Dark fiber loop configurations
  • Network and routing reconfigurations
  • IPv6 planning
  • Management network design and optimization
  • DMZ design
  • Disaster Recovery and Multi Site Design
  • Load Balancing and WAN
  • Development and Lab Networks
  • Networking to private and public cloud
  • Radius

Candidate should be familiar with the following technologies and protocols.

  • Layer 2: Ethernet, ATM, Frame Relay, PPPoE, STP, 802.1q, 802.1x, MPLS, L2VPNs
  • Layer 3: IP, IPv6, LDP, L3VPNs, RSVP, DHCP, IPSEC, PIM, IGMP
  • Layer 4: TCP, UDP
  • Routing Protocols: BGP, OSPF, IS-IS, EIGRP
  • Wireless: Cisco Wireless LAN Controllers and access points
  • Data Center/Cloud Networks: Cisco Application Centric Infrastructure (ACI), Cisco Nexus series switches
  • Virtualization: Cisco UCS, VMWare ESXi, Azure
  • Collaboration: Unified Communications

Key Responsibilities:

  • Work across teams, and external customer groups to develop strategy, design solutions, and advise implementation teams during deployment.
  • Build and maintain technical relationships with managers of the organization and technology providers by leading and facilitating technology discussions and aligning solutions with client needs.
  • Provide communication, ensuring that managers, team members, stakeholders within the organization, and clients are kept informed of relevant trends and projects.
  • Research new or alternative technologies, document findings, conduct pilots and evaluate multiple vendors, make recommendations, and develop business cases to justify the investment.
  • Deal with escalations. Make assessments, recommendations or provide solutions to resolve issues.
  • Mentor and train staff, ensuring they are up to speed on critical processes and technologies related to the Technology and Infrastructure organizations’ goals and soft skills needed to succeed.
  • Develop and implement test plans
  • Develop project timelines for projects
  • Contribute to budgeting for and understand the financial impact of technology decisions
  • Write functional requirements/specifications documents
  • Keep up to date on infrastructure technology
  • Assess competitors and the types of technology they use
  • Guide the selection, implementation and deployment processes for new technology roll-outs

Duties will include:

  • Installations, debugging, maintenance, upgrades, and general support for Routers, L2 and L3 Switches, Firewalls, WAN Accelerators, Load balancers, etc.
  • Design network road map and align it with Network Lead/Operations Manager requirements
  • Performing a wide range of network administration duties including installations, debugging, maintenance, upgrades, and general support for Cisco, Juniper, HP, Nortel, and Extreme network equipment.
  • Keep all data center drawings and design documentations up to date.
  • Evaluate, test, and deploy all software and hardware upgrades to the networking infrastructure.
  • Assist in the configuration and deployment of core and peripheral network devices, which will require continuous learning of new devices (i.e. Nexus switches, ASR routers, and long haul optical equipment).
  • Setup proactive monitoring of all network devices, services, and servers using a combination of tools to ensure high availability and SLA’s and train team members.
  • Collect and review network utilization data for capacity and planning purposes.
  • Assist in developing, implementing, testing, and maintaining disaster recovery plans.
  • Interface with vendors for procurement & maintenance of all IT infrastructures.
  • Manage & troubleshoot network and Internet connectivity throughout the organization.
  • Maintain up-to-date knowledge of emerging tools and technologies, and recommend technologies to support business requirements.
  • Rigorously create and maintain documentation for all processes and procedures.
  • Collaborate with and support the work of other staff engaged in similar functions.
  • Interface with vendors for procurement and maintenance of all IT infrastructures.
  • Provide emergency 24 x 7 on-call support on a rotating basis.

Job Requirements:

  • 10+ years of experience and both a B.S. and M.S. degree. Bachelor of Science (B.S.) can be substituted with an additional 4 years of related experience, and a Master of Science (M.S.) can be substituted with an additional 2 years of related experience.
  • Should be recognized as an industry leader based on experience, credentials, and publications.
  • CCNA, CCNP or CCIE Certification
  • 1+ years direct experience with Cisco 9k/7k/5k/2k/1k, Data center SDN
  • 1+ years direct experience with Cisco ACI
  • 1+ years direct experience with Application Policy Infrastructure Controller (APIC), REST architecture, JSON scripting
  • 10 years direct experience required in the management and administration of network infrastructure - routers, switches, etc. in a high-availability infrastructure
  • 10 years experience with layer 2 network protocols switching, including but not limited to: 802.1Q tagging, STP (and its variations), LACP, etc.
  • 10 years of experience with IP subnetting
  • 10 years of experience with layer 3 network routing, including but not limited to: BGP, OSPF, EIGRP
  • 10 years of layer 4 IP protocol suites (TCP, UDP, ICMP, GRE, etc.)
  • 10 years of experience with access technologies such as LDAP, AD, RADIUS, TACACS
  • 5+ years direct experience in management and administration of the F5 BIG-IP product line including Load-balancing, iRules and SSL termination.
  • Candidate must have an Active DOD clearance.

What We Offer:

  • Competitive Salary (commensurate with experience, of course) and benefit packages
  • Growth potential and continual learning
  • Work-life Balance
  • Tuition reimbursement program
  • Company happy hours, social events and outings
  • Rewards and recognition for strong performance
  • A culture of inclusion that values each employee’s unique perspective
  • Volunteer opportunities to give back to your community
  • Opportunity to further develop skills working with new technologies
  • Opportunity to make an immediate impact with one of our innovative product teams
  • High visibility position with opportunity for rapid growth and increased responsibilities
  • Stability of a 30-year-old company with the flexibility to enjoy your professional experience at every career stage

Most of all, we encourage employees to think hard about how we can improve what we do and solve new client changes. If you have the skills, experience, and passion, we want to meet you.

Sabre Systems, Inc. is a quality driven, customer focused large business providing innovative solutions in the areas of Cyber, C4ISR, Business Intelligence and Data Analytics, and Enterprise Modernization to federal and civilian customers. Our mission is to ensure our customers have the technology, services, and expertise to overcome threats, maintain superiority, and quickly adapt to emerging obstacles. At Sabre, we're more than just a job - we're a team - and we care for and nurture our employees like family. If you want to be a part of creating and implementing enduring solutions that transform mission challenges into mission success – join Sabre!

Sabre provides an excellent benefits package, which includes healthcare, paid days off, tuition reimbursement, and a 401K plan.

We respect the unique perspectives that a diverse workforce of minorities, women, individuals with disabilities, and protected veterans brings not only to our company, but also to our customers. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity or national origin.

EOE Minorities/Females/Disability/Veterans; VEVRAA Federal Contractor

Job Type: Full-time


  • relevant: 10 years (Required)


  • CCNA, CCNP or CCIE (Required)

Application Question:

  • What is your minimum active clearance level?

Work Location:

  • One location


  • Health insurance
  • Dental insurance
  • Vision insurance
  • Retirement plan
  • Signing bonus
  • Paid time off
  • Flexible schedule
  • Relocation assistance
  • Professional development assistance
  • Tuition reimbursement

This Job Is:

  • A job for which military experienced candidates are encouraged to apply