JFL Consulting, LLC is hiring: ISE Network Engineer - Top Secret Clearance (SCI
JFL Consulting, LLC, Washington, DC, United States
Description
Job Title: ISE Network Engineer
Place of Performance: Washington, DC 20392
Mandatory Requirements: Top Secret Clearance (SCI Eligible)
Experience Level: Mid-Senior-Level (8+ years)
About JFL Consulting
With more than 20 years of securing some of the U.S. Department of Defense and the Intelligence Community’s most critical networks, JFL Consulting, LLC provides advanced network security solutions to a range of US Government and US commercial clients.
Our cybersecurity operators are experts at assessing and defending mission-critical data and the networks that facilitate their operation. We are focused on delivering advanced products and industry best practices that meet each customer’s unique requirements. Visit www.jflconsulting.com
What we offer
Free on-site parking in Washington, DC
100% employer-paid medical, dental, and vision for employees and dependents
Flexible Spending Accounts (healthcare, dependent care, and commuter)
Life insurance, short-term disability and long-term disability
401(k) with immediate vesting of company contribution
Generous PTO policy (15 vacation, 5 sick, 2 personal days, 11 holidays)
Job Description
We are seeking an experienced ISE Network Engineer with 8+ years of hands‑on experience in enterprise network infrastructure, with deep expertise in Cisco Identity Services Engine (ISE) and Cisco DNA Center (DNAC) . The ideal candidate will collaborate to design, implement, secure, and automate complex network environments in a DoD environment.
Responsibilities
Design, implement, and sustain enterprise network infrastructures supporting high availability and mission operations
Serve as a senior technical resource for network troubleshooting, outage resolution, and performance optimization
Perform root‑cause analysis on complex network issues and drive permanent fixes
Configure, maintain, and troubleshoot Cisco and Juniper routing and switching platforms
Configure, administer, and troubleshoot Cisco Identity Services Engine (ISE), including policy sets and authentication/authorization workflows
Configure and support next‑generation firewalls, including Juniper SRX and Cisco Firepower platforms
Support firewall rule management, policy validation, and traffic‑flow troubleshooting across secured boundaries
Maintain accurate technical documentation, diagrams, and standard operating procedures
Participate in planning and implementation of network upgrades and architectural improvements
Ensure compliance with DoD security and configuration standards
Requirements
8+ years of hands‑on network engineering experience in enterprise or government environments
Strong understanding of TCP/IP, IPv4, routing, switching, and network troubleshooting
Proven experience with Cisco and/or Juniper network devices
Hands‑on experience configuring and administering Cisco ISE
Experience supporting Juniper SRX firewalls and Cisco Firepower (FMC‑managed)
Strong understanding of firewall policies, security zones, and traffic inspection
Familiarity with DoD STIGs and operating in compliance‑driven environments
CCNA, CCNP, JNCIS, or JNCIP certification (active or previously held)
DoD 8570 IAT Level II certification (Security+ or equivalent)
Desired Skills
Experience integrating Cisco ISE with 802.1X, TACACS+, or network access control workflows
Exposure to advanced firewall features such as IDS/IPS, URL filtering, or application‑layer inspection
Familiarity with vulnerability scanning tools (e.g., Nessus)
Basic scripting or automation exposure (PowerShell, Ansible, etc.)
JFL Consulting, LLC is an Equal Opportunity Employer.
We do not discriminate against any applicant for employment on any legally recognized basis including, but not limited to: race, religion or creed, color, national origin, sex, age, disability, marital status, sexual orientation, genetic information, veteran status, status with regard to public assistance or any other protected class under federal, state or local statute. It is also the policy of JFL Consulting, LLC to provide reasonable accommodations for qualified individuals with disabilities.
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Job Title: ISE Network Engineer
Place of Performance: Washington, DC 20392
Mandatory Requirements: Top Secret Clearance (SCI Eligible)
Experience Level: Mid-Senior-Level (8+ years)
About JFL Consulting
With more than 20 years of securing some of the U.S. Department of Defense and the Intelligence Community’s most critical networks, JFL Consulting, LLC provides advanced network security solutions to a range of US Government and US commercial clients.
Our cybersecurity operators are experts at assessing and defending mission-critical data and the networks that facilitate their operation. We are focused on delivering advanced products and industry best practices that meet each customer’s unique requirements. Visit www.jflconsulting.com
What we offer
Free on-site parking in Washington, DC
100% employer-paid medical, dental, and vision for employees and dependents
Flexible Spending Accounts (healthcare, dependent care, and commuter)
Life insurance, short-term disability and long-term disability
401(k) with immediate vesting of company contribution
Generous PTO policy (15 vacation, 5 sick, 2 personal days, 11 holidays)
Job Description
We are seeking an experienced ISE Network Engineer with 8+ years of hands‑on experience in enterprise network infrastructure, with deep expertise in Cisco Identity Services Engine (ISE) and Cisco DNA Center (DNAC) . The ideal candidate will collaborate to design, implement, secure, and automate complex network environments in a DoD environment.
Responsibilities
Design, implement, and sustain enterprise network infrastructures supporting high availability and mission operations
Serve as a senior technical resource for network troubleshooting, outage resolution, and performance optimization
Perform root‑cause analysis on complex network issues and drive permanent fixes
Configure, maintain, and troubleshoot Cisco and Juniper routing and switching platforms
Configure, administer, and troubleshoot Cisco Identity Services Engine (ISE), including policy sets and authentication/authorization workflows
Configure and support next‑generation firewalls, including Juniper SRX and Cisco Firepower platforms
Support firewall rule management, policy validation, and traffic‑flow troubleshooting across secured boundaries
Maintain accurate technical documentation, diagrams, and standard operating procedures
Participate in planning and implementation of network upgrades and architectural improvements
Ensure compliance with DoD security and configuration standards
Requirements
8+ years of hands‑on network engineering experience in enterprise or government environments
Strong understanding of TCP/IP, IPv4, routing, switching, and network troubleshooting
Proven experience with Cisco and/or Juniper network devices
Hands‑on experience configuring and administering Cisco ISE
Experience supporting Juniper SRX firewalls and Cisco Firepower (FMC‑managed)
Strong understanding of firewall policies, security zones, and traffic inspection
Familiarity with DoD STIGs and operating in compliance‑driven environments
CCNA, CCNP, JNCIS, or JNCIP certification (active or previously held)
DoD 8570 IAT Level II certification (Security+ or equivalent)
Desired Skills
Experience integrating Cisco ISE with 802.1X, TACACS+, or network access control workflows
Exposure to advanced firewall features such as IDS/IPS, URL filtering, or application‑layer inspection
Familiarity with vulnerability scanning tools (e.g., Nessus)
Basic scripting or automation exposure (PowerShell, Ansible, etc.)
JFL Consulting, LLC is an Equal Opportunity Employer.
We do not discriminate against any applicant for employment on any legally recognized basis including, but not limited to: race, religion or creed, color, national origin, sex, age, disability, marital status, sexual orientation, genetic information, veteran status, status with regard to public assistance or any other protected class under federal, state or local statute. It is also the policy of JFL Consulting, LLC to provide reasonable accommodations for qualified individuals with disabilities.
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