Network Engineer | TS/SCI Security Clearance Required

HRB; Tampa (FL); On-site; USD 140,000 - 150,000; Full time

Benefits offered by this job

Health insurance

401k match

Paid time off

Disability insurance

Life insurance

Flexible work arrangements

Job summary

Tulzi Technologies, LLC seeks a Senior Network Engineer to support a secure, standalone enterprise environment in Tampa, FL. This role designs, maintains, and secures network infrastructure across virtualized platforms and compliance-driven operations.

Qualifications include active TS/SCI clearance, DoD 8570 IAT II (Security+ CE), and 3+ years of Cisco experience. The team focuses on Layer 2/3 design, VMware networking, and RMF/FIPS controls while collaborating with security, systems, and

Qualifications

• Active TS/SCI clearance required for all applicants.
• Current DoD 8570 IAT II certification (Security+ CE) required.
• 3+ years of Cisco network engineering experience.
• Experience with Cisco switches/routers and NX-OS.
• Ability to work in a fast-paced, multi-team environment.

Responsibilities

• Design, implement, and maintain Layer 2/3 network infrastructure.
• Configure Cisco Catalyst and NX-OS platforms.
• Manage VLANs, ACLs, and secure network policies.
• Support VMware ESXi/vCenter networking and dvSwitches.
• Support RMF security controls and FIPS compliance.
• Integrate with SIEM and monitoring tools.
• Participate in change control and network upgrades.
• Collaborate with systems, security, and app teams.

Skills

TS/SCI clearance

Security+ CE

3+ years Cisco experience

high-tempo environment

communication skills

Education

DoD 8570 IAT II (Security+ CE)

Tools

Cisco switches/routers

Cisco NX-OS

VMware ESXi/vCenter

VM networking

SNMP/SiEM tooling

Terraform/Ansible

AWS networking (VPC/Direct Connect)

Job description

Network Engineer | TS/SCI Security Clearance Required

• Tampa, FL
• Information Technology

Tulzi Technologies, LLC (Tulzi) prides itself on an open, and honest culture in the workplace which builds morale conducive to inspiring growth on our team, while balancinglifestyle by supporting personal and family goals with flexibility. Tulzi offers secure network systems and software engineering solutions in both the public and private sectors. With certified expert consulting the team at Tulzi is able to address the customer's mission and follow-through in the systems development life cycle.

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 effort 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

Tulzi Technologies provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, pregnancy, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.

This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training.