CACI International Senior Network Engineer - Tier 3 (ZScaler) in National Harbor, Maryland
Senior Network Engineer - Tier 3 (ZScaler)
Job Category: Information Technology
Time Type: Full time
Minimum Clearance Required to Start: None
Employee Type: Regular
Percentage of Travel Required: None
Type of Travel: None
The ZScaler Engineer Senior performs Tier 3 support primarily for the ZScaler solution implemented within a federal government environment. Initially, the right candidate will have a strong foundation in cloud security and zero trust architecture and will focus exclusively on ZScaler rollout support. Later, this candidate will be responsible for the design, engineering, planning, testing, implementation, configuration, operation, maintenance, administration, management, and troubleshooting of government network infrastructure systems, to include all networking and firewall devices. This is a customer-facing position and as such this candidate must have the ability to directly interact with clients, customers, and vendors.
What You’ll Get to Do:
Serve as escalation point for Tier 2 support team
Participate in the resolution and develop root cause analysis and troubleshooting
Provide Infrastructure Support including: Servers, Storage, Active Directory, Identity
Provide Network troubleshooting support related to VPN infrastructure solution including routers, firewall, telephony, and switches
Ability to conduct engineering design and evaluation testing of the numerous solutions features implemented as part of the Zero Trust Architecture Implementation
Ability to implement and troubleshoot the secure access to applications and services leveraging the Cloud Secure Gateway (CSG) platform
Document the SOP related to how the solution has changed the way the organization does it delivery of key services impacted
Lead migrations from legacy VPN connectivity to Cloud based Private Access Solutions, leveraging elastic IPs and network interfaces within Cloud Infrastructure
Assist with development of Technical Requirement and Detailed Design Documentation capturing the network connectivity configuration of the implemented solution related to application and services focused on the proposed architecture
Work to ensure users are authored access to internal applications hosted in the data center or public clouds without traditional VPN
Identify and remediate security risks associated with environment variables and ensure micro segmentation of processes works across multiple systems with required policies.
Responsible for leading the implementation, deployment, and maintenance of networks for a federal government customer's distributed enterprise network environment.
Establish networking environment by collaborating on designing system configuration; assisting with creating circuit plan, leading system installation, documenting system architecture, and enforcing network standards.
Provide detailed information for hardware and software selection, implementation techniques, and tools for the most efficient solution to meet business needs, including present and future capacity requirements.
Build, configure, install, and lead troubleshooting various network devices and services (e.g., routers, switches, firewalls, VPN), LAN, and WAN.
Analyze user’s Information Technology (IT) requirements, concept of operations documents, and high-level system architectures.
Validate system requirements and provide recommendations to enable transition from the Department of Homeland Security (DHS) network to an agency owned and managed network.
Advise senior level customers on network architecture and optimization
More About the Role:
Plan, implement and maintain an enterprise network environment to include Cisco routers, Cisco switches (Multi-Layer, Data Center/ Access/Core/ Distribution), firewalls and software defined access
Lead and undertake major networking projects
Develop presentations and reports
Prepare and present plans and changes to Technical Review Board
Conduct testing of network systems. Maximize network performance by monitoring performance; responding to and troubleshooting network problems and outages; scheduling upgrades; conducting equipment refreshes, collaborating with network architects on network optimization
Utilize monitoring, performance analysis, network management, software and hardware equipment to troubleshoot and isolate problems, assess network performance, and trace data and protocol activity
Track all work activities in ServiceNow
Mentor/train more junior members of the team
Document and update network diagrams, work instructions, and standard operating procedures
You’ll Bring These Qualifications:
Ability to obtain DoD Security Clearance
Ability to obtain Department of Homeland Security (DHS) Entry On Duty (EOD) - Active EOD preferred
BA/BS + 9 years of applicable experience or 14 years without degree
One of the following certifications:
CompTIA Network+ CCNA
Strong experience working on zero trust architecture and cloud security
Strong experience working on physical and logical network for network infrastructure installation or deployment projects
Strong experience with making configuration changes on switches, routers, and firewalls
Strong experience with systems and network monitoring tools
Strong experience gathering technical and business customer requirements
Strong networking background to be able to troubleshoot complex network issues
Ability to work independently or as part of a team
Able to communicate clearly and professionally with senior customers to field and troubleshooting questions and issues
These Qualifications Would be Nice to Have:
Previous DHS experience
Previous Zscaler experience
CompTIA A+ CompTIA Security+ CCNP Security
Windows Server administration
SolarWinds network management
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.
Company Overview: 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 an Equal Opportunity Employer – Females/Minorities/Protected Veterans/Individuals with Disabilities.
As required by Executive Order 14042, Federal contractor employees are required to be fully vaccinated against COVID-19 by December 8, 2021 regardless of the employee’s duty location or work arrangement (e.g., telework, remote work, etc.), subject to such exceptions as required by law. If selected, you will be required to be vaccinated against COVID-19 and submit documentation of proof of vaccination before starting employment with CACI.