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Network Infrastructure Engineer T2

Req #: 235678
Location: National Harbor, MD US
Job Category: Information Technology
Minimum Clearance Required: None

Job Description

Team CACI has an exciting and challenging opportunity available for a Network Engineer supporting a DHS customer’s wide-area (WAN), local-area (LAN) and campus-area (CAN) networks across multiple security domains. CACI will provide a variety of IT services through including cyber security, identity and access management, capacity planning, cloud integration and engineering, field support services, Tier 3/4 support, application deployment and optimization, and operations center support services.   CACI will support IT operational environments increasing availability and security for a variety of applications and systems.

What You’ll Get to Do:

Ensure the overall health and strong security posture of complex network architectures. The Network Engineer will be actively involved with all phases of security design, implementation, proactive monitoring, troubleshooting and analysis of firewalls, IDSs, VPNs, security controls and policies. Develops system specifications, architecture designs, integration and test plans, and all relevant documentation. Develops security assessment and mitigation strategies. Maintain compliance with DOD Information Assurance requirements as well as ensuring service performance indicators are met or exceeded.

More About the Role:

  • Work with both corporate and customer leadership to research, analyze, and implement enterprise-wide network security solutions/capabilities/enhancements to support customer business/mission goals and objectives.
  • Assists with designs, analyses, tests and implementation of state-of-the-art secure network architectures.
  • Experience working with enterprise vendors such as Infoblox, Equinix, NetApp, AWS, and Cisco
  • Conducts encryption technology, penetration and vulnerability analysis of various security technologies, and information technology security research
  • Additional responsibilities include cloud storage management, backup, virtualization, monitoring and management tools, business continuity, high availability solutions, creating and managing billing statements, providing hardware estimates, supporting hardware and related applications.
  • Analyzes, coordinates, and implements infrastructure projects. Monitors system performance and capacity, and provides periodic system status reports to department management.
  • Analyzes reports to identify trends and opportunities for process and technology enhancements.
  • Work with a team of engineers on the strategic planning on AWS cloud design and deployment requirements.
  • Create AWS cloud functional design specifications and implementation plans.
  • Design, build, maintain, document, and automate technical processes and operations using AWS cloud services.
  • Manage live production and dev environments, ensuring system availability and scalability.
  • Provides cost and trend analysis and resolutions to critical Infrastructure problems.
  • Assists with software defined networking and ACI Fabric
  • Assists with WAN, LAN, and remote network security as well as incident and problem management.
  • Assist network personnel that will be performing an array of information networking tasks for a 24/7 service that revolves around mission requirements.
  • Responsible for development and execution of standard operating procedures
  • Creates and follows SOPs
  • Daily administration of the load balancer environment
  • Monitors network performance, troubleshoots issues and deploys solutions
  • In depth knowledge of TCP/IP Protocols
  • Functional understanding of network Layer 2 /3 switching and routing protocols
  • Functional understanding of diverse set of networked applications and terms requiring application traffic management solutions, including HTTP, HTTPS, SSH, FTP, DHCP, DNS, NTP, ANYCAST services, NAT and others
  • DMZ Network infrastructure knowledge including topology, security policies, firewalls and the L2/L3 switch and router infrastructure is required
  • Experience with security infrastructure sustainment, maintenance, and advanced baseline configurations. (firewalls, web gateways, mail gateways, IDS, intrusion detection systems, and management tools.
  • Plans and implements upgrades and installs new equipment
  • Inform management in a clear, concise, and timely manner of any customer or technical issues

You’ll Bring These Qualifications:

  • US Citizenship required
  • An active Entrance on Duty (EOD) is required to begin employment and must be maintained as a requirement of continued employment
  • A minimum of five (5) years of experience deploying WAN/LAN, Routing, Switching, Optimization and extensive exposure with Cloud Service Providers
  • Required Certification(s): CCNA or CCNP along with a BA/BS or equivalent experience and minimum 15 years of related work experience
  • Proven experience with Agile, sprints and DevOps concepts
  • Experience working with a Scrum Master, Daily Scrum meetings, sprints and written deliverables
  • Familiarity with the following technologies and guidelines: Cisco 95xx and 6509-E, Cisco C7010/C5596 Nexus Switches, Cisco 55xx ASA Firewalls, DHS Compliance Checks, Software Defined Networking, SD WAN, Network Monitoring Tools
  • Strong troubleshooting and analytical skills
  • Strong critical thinking, complex problem solving, appropriate judgment and decision-making skills
  • Proven communicator and leader. Must be able to work well in an environment facilitating a large group of government and other contractor personnel to achieve a common goal
  • Evaluates modern technologies to optimize network efficiency
  • Expertise in using Cisco Prime, Cisco ISE, AWS and Azure
  • Experience with automation/configuration management using either Puppet, Chef or Ansible
  • Strong knowledge/experience with SQL/Databases
  • Excellent written and verbal communication skills
  • Flexible – The environment is highly dynamic. You will be expected to keep up with the changing environment while ensuring a high-level of operational effectiveness along with sprint work items and deliverables due the end of each sprint.
  • Detail oriented
  • Team Player – This role is part of a much larger team

These Qualifications Would be Nice to Have:

  • Relevant DHS focused experience
  • BS in Engineering or Information Technology
  • F5 Certified, CCNA/CCNP, or higher CISCO certifications preferred
  • SolarWinds, Infoblox and Splunk experience preferred

What We Can Offer You:

- We’ve been named a Best Place to Work by the Washington Post.

- Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives.

- We offer competitive benefits and learning and development opportunities.

- We are mission-oriented and ever vigilant in aligning our solutions with the nation’s highest priorities.

- For over 55 years, the principles of CACI’s unique, character-based culture have been the driving force behind our success.

Job Location



CACI employs a diverse range of talent to create an environment that fuels innovation and fosters continuous improvement and success. At CACI, you will have the opportunity to make an immediate impact by providing information solutions and services in support of national security missions and government transformation for Intelligence, Defense, and Federal Civilian customers. CACI is proud to provide dynamic careers for employees worldwide. CACI is an Equal Opportunity Employer - Females/Minorities/Protected Veterans/Individuals with Disabilities.

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