Network Engineer | TS/SCI Security Clearance Required

Tulzi Technologies, LLC

$140K — $150K *
Tampa, FL 33647In-Person
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Active TS/SCI security clearance required
  • Current DoD 8570 certification at IAT level II (e.g., Security+ CE)
  • 3+ years of experience in network administration/engineering in a Cisco environment
  • Proficient in Cisco switches and routers
  • Strong fundamental knowledge in networking including routing, switching, and security
  • Ability to work in a fast-paced environment with shifting priorities
  • Excellent verbal and written communication skills with all organizational levels

Responsibilities

  • Design, implement, and maintain Layer 2/Layer 3 network infrastructure
  • Configure and support Cisco Catalyst and NX-OS-based switching platforms
  • Manage VLANs, trunking, segmentation, ACLs, and firewall rules
  • Support evaluation and deployment of data center-optimized switching platforms
  • Deploy and support 802.1X authentication using Cisco ISE and LDAP
  • Implement machine authentication and dynamic VLAN assignment
  • Troubleshoot multi-tier service flows across infrastructure layers

Benefits

  • Comprehensive medical, dental, and vision insurance options
  • Health Savings Account contributions up to $3000 family
  • Company-paid life insurance and disability coverage
  • 20 days of vacation and 10 paid holidays
  • Pre-tax 401k program with 6% company match and full vesting immediately after eligibility
Full Job Description
Clearance Required: TS/SCI
Title: Network Engineer
Location: Tampa, FL
Salary Range: $140-150K


We are seeking a Senior Network Engineer to support a secure, standalone enterprise
environment. This role is responsible for designing, maintaining, and securing network infrastructure supporting virtualized systems, application platforms, and compliance- driven operations.

Roles & Responsibilities
• Design, implement, and maintain Layer 2/Layer 3 network infrastructure
• Configure and support Cisco Catalyst (9300/9500 series) and Cisco NX-
OS-based switching platforms
• Manage VLANs, trunking, segmentation, ACLs, firewall rules, and traffic
segmentation
• Maintain network topology, routing logic, and traffic flow design
• Support evaluation and future deployment of data center-optimized switching
platforms for modernization initiatives
• Deploy and support 802.1X authentication using Cisco ISE and LDAP Integration
• Implement machine authentication with user fallback, dynamic VLAN
assignment, and fail-open design
• Manage TACACS+ for network device administration
• Support networking for VMware ESXi / vCenter environments, including vSwitch
and distributed switch configuration
• Provision and maintain VM networking
• Troubleshoot multi-tier service flows across infrastructure layers
• Implement and maintain STIG-compliant network configurations
• Enforce port security, DHCP snooping, Dynamic ARP Inspection, and secure
management access
• Support RMF security controls and FIPS-compliance
• Integrate network devices with SIEM (Elastic), Zabbix, or equivalent monitoring
tools
• Troubleshoot network connectivity, authentication failures, and application
reachability issues
• Perform structured troubleshooting using logs, packet capture, and service
validation
• Support change control (CAB) processes
• Execute network upgrades (e.g., Cisco IOS-XE / NX-OS) with validation and
rollback planning
• Maintain documentation including VLAN mappings, IP plans, and network
diagrams
• Support network components of backup and disaster recovery operations
• Validate connectivity for backup systems and storage platforms
• Assist in failover and restoration procedures
• Work with systems engineers, security teams, and application owners
• Provide network impact analysis for system architecture decisions

Required Qualifications:
• An active TS/SCI security clearance.
• Current DoD 8570 certification at IAT level II, (i.e. Security+ CE).
• 3+ years of experience in network administration/engineering in a Cisco environment.
• Experience with Cisco switches and routers
• A solid foundation in networking including routing, switching, and security.
• Ability to work in a high-tempo operational environment where priorities change
frequently.
• Must be able to interface with individuals at all levels of the organization both verbally
and in writing.
• Must be well-organized with the ability to coordinate and prioritize multiple tasks
simultaneously.

Desired Qualifications:
• Experience with hybrid connectivity between on-prem and AWS
• Familiarity with AWS VPC design, Site-to-Site VPN, Client VPN, and Direct
Connect
• Understanding of extending secure or restricted environments into cloud
architectures
• Knowledge of BGP routing concepts, including route advertisement, path
selection, redundancy, and failover
• Experience with BGP in hybrid cloud or enterprise routing environments
• Ability to troubleshoot routing issues such as asymmetric paths and route filtering
• Experience with Cisco NX-OS platforms (e.g., Nexus series)
• Familiarity with data center technologies such as:
o vPC (Virtual Port Channel)
o Leaf-spine architectures
o High-throughput east-west traffic design
• Ability to support or lead network modernization efforts toward data
center-optimized architectures
• Experience with Terraform (AWS networking) or Ansible for network automation
• Ability to automate provisioning, validation, and compliance checks

Benefits:

We offer a competitive benefits and compensation package and FUN place to work! Benefits include, but not limited to:

Health and Wellness Benefits
  • Medical Insurance (three CareFirst healthcare plans to choose from, Dental and Vision Insurance, 75% covered for employee/ 50% per dependant
  • Health Savings Account (HSA) contributions $1500 individual/ $3000 family

Personal Insurance Benefits
  • Company-paid Life Insurance and AD&D coverage
  • Company-paid Short-term and Long-term Disability Insurance

Paid Leave
  • Employees receive 20 days of vacation/10 holidays built into hourly rate/ 5 days of Administrative leave(currently used for snow, jury, bereavement)

Retirement
  • Pre-tax 401k program including 6% company match
  • 100% fully vested from eligibility date

*Eligible after 90 days of employment

Similar Jobs

More Jobs at Tulzi Technologies, LLC

More Information Technology Jobs

Find similar Network Engineer | TS/SCI Security Clearance Required jobs: