IRS Senior Network Engineer

Network Engineer 

ROLE 

We need an experienced Sr. Network Engineer to support the IRS' Criminal Investigation (IRS-CI) Technology Operations Center (TOC). The IRS-CI TOC is responsible for securing and modernizing the technical infrastructure that underpins federal criminal investigations, including internal, external, cloud, and wireless networks. In this role, you will lead enterprise network engineering efforts to streamline operations, eliminate redundancies, and enhance performance across a wide range of IRS-CI environments. Your work will help establish a standardized, compliant, and mission-ready network architecture that supports both internal agency functions and secure interagency communication. This is a full-time opportunity. We can offer a competitive salary and a comprehensive benefits package. Apply today. 

RESPONSIBILITIES 

• Conduct full-scale assessments of CI’s internal, external, wireless, and cloud network environments for performance, security, and reliability. 

• Develop and maintain Network Assessment and Security Reports, including recommendations for optimization and compliance with NIST, DISA, IRS, and CISA standards. 

• Redesign and implement approved enterprise network topologies, utilizing existing equipment and integrating modern technologies. 

• Develop and execute test plans, patch plans, and upgrade strategies for all networking hardware and software components. 

• Analyze and maintain firewall configurations, load balancing solutions (e.g., F5, DNS), and access segmentation technologies in line with IRS standards. 

• Evaluate and recommend network monitoring tools such as Cisco ACI, Forescout, Infoblox, and LiveAction. 

• Lead efforts to complete network heat mapping, AP placement diagrams, and optimization of wireless performance at IRS posts of duty. 

• Manage network ticketing and change requests, and respond to support incidents using CI's change management process. 

• Support DNS/DHCP configuration and remediation activities using tools such as Microsoft and Infoblox. 

• Provide network documentation including diagrams, hardware/software inventories, and configuration guides. 

• Deliver engineering support for ASCA compliance, POAM remediation, and CSIRC-directed security vulnerability resolution. 

• Prepare and present status updates, technical reports, and risk documentation to stakeholders and IRS technical leadership. 

REQUIRED QUALIFICATIONS 

Active IRS MBI Public Trust – Strongly preferred 
CCIE Enterprise Infrastructure, CCIE Enterprise Wireless, and CCDP certifications required. 

• ​​​​​​​8+ years of experience in network engineering with 5+ in federal or highly regulated environments 

• Expertise in enterprise-grade firewalls, routers, switches, and wireless systems (e.g., Cisco, Fortinet, F5) 

• Strong understanding of NIST 800-53, FISMA High, and federal security compliance frameworks 

• Experience with network analysis tools (e.g., Wireshark), heatmapping, and performance tuning 

• Familiarity with Agile project delivery and tools such as Jira and SharePoint 

• Excellent communication, documentation, and presentation skills 

EDUCATION  

• Bachelor’s degree in Information Technology, Engineering, or related field (or equivalent experience) 

LOCATION 

• Remote 

CLEARANCE 

• U.S. citizenship or 3+ years Green Card Holder 

CLIENT 

• IRS – Criminal Investigation, Technology Operations Center  

TRAVEL 

• No travel required 

WORK HOURS 

• 40 hours per week 

• 8 hours per day 

EMPLOYMENT CLASSIFICATION 

• Employment Classification Eligibility — W2   

RELOCATION 

• Not eligible for relocation benefits 

West 4th Strategy is an Equal Opportunity (EEO) employer. All qualified applicants will receive consideration for employment without regard to race, color, creed, religion, gender, sexual orientation, ancestry, national origin, age, marital status, mental disability, physical disability, medical condition, pregnancy, political affiliation, military or veteran status, or any other basis prohibited by federal or state law.  

Other Considerations: applicants will be subject to a background investigation. Individual’s primary workstation is located in an office area. The noise level in this environment is low to moderate. Regularly required to sit for extended periods up to 80% of the time; frequently required to move about to access file cabinets and use office equipment such as PC, copier, fax, telephone, cell phone, etc. Occasionally required to reach overhead, bend, and lift objects of up to 10 lbs. Specific vision abilities required by this job include the use of computer monitor screens up to 80% of the time.