Senior Network Engineer with Security Clearance

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Markesman Group

Title Senior Network Engineer Location Annapolis Junction Description Markesman Group is currently seeking a highly skilled and experienced Senior Network Engineer to join our team in the Annapolis Junction/Linthicum area. The successful candidate will be responsible for configuring, optimizing, and maintaining our network infrastructure, ensuring its reliability, security, and performance. The Senior Network Engineer will play a critical role in developing and implementing network backup and recovery procedures, diagnosing connectivity issues, monitoring network capacity and performance, and patching vulnerabilities to safeguard information. Core Tasks: Configuration and Optimization: Configure and optimize network hubs, routers, and switches to ensure efficient and effective network operation. Backup and Recovery: Develop and implement network backup and recovery procedures to safeguard against data loss and ensure business continuity. Connectivity Diagnostics: Diagnose network connectivity problems and implement solutions to resolve issues promptly. Operating System Maintenance: Install and maintain network infrastructure device operating system software to ensure optimal performance and security. Hardware Installation: Install or replace network hubs, routers, and switches as necessary to expand or upgrade network infrastructure. Performance Monitoring: Monitor network capacity and performance, identifying and addressing potential bottlenecks or performance issues. Security Patching: Patch network vulnerabilities to protect against external threats and ensure the confidentiality, integrity, and availability of information. Infrastructure Testing: Test and maintain network infrastructure, including software and hardware devices, to ensure reliability and functionality.Requirements: Master’s degree and 10 years of experience, or Bachelor’s degree and 12 years of experience, or High school diploma and 15 years of experience as a Network Engineer. Extensive experience with Cisco IOS and PAN-OS, with the ability to configure and manage network devices effectively. Demonstrated expertise in cyber/IT-related fields with a strong focus on attention to detail, customer service, oral and written communication, and problem-solving. Active TS/SCI security clearance with full scope polygraph. Active DoD IAT Level III certification (e.g., CISSP, CCSP, GCIH, GCED, CASP+ CE, CCNP Security, CISA). Active Cisco certification, demonstrating proficiency in Cisco networking technologies and solutions.Preferred Qualifications: Experience with other networking technologies and vendors, such as Juniper, Arista, or Palo Alto Networks. Familiarity with network automation tools and scripting languages (e.g., Python, Ansible). Experience in designing and implementing secure network architectures and solutions. Strong analytical and troubleshooting skills, with the ability to resolve complex network issues efficiently. About the Organization About Markesman Group Markesman Group has gathered the nation’s foremost experts in Cyber, ISR, Enterprise IT and Intelligence Analysis. We seek to lead with cutting edge technology, high quality development and best value services for both the government and commercial sectors. Our team combines passion, acumen, focus, patriotism, desire, dedication and the love for the job to create value for our customers. We pride ourselves in a rigorous selection process because not only do we want the best, we want the best to want us. Working closely together as part of a service-disabled veteran owned small business, we enjoy a family environment where teammates challenge and elevate each other every day. The Markesman family is always striving to solve tomorrow’s problems, today. EOE Statement We are an Equal Opportunity/Affirmative Action Employer. We consider applicants without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender, gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, or membership in any other group protected by federal, state, or local law. This position is currently accepting applications.

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