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        Network Engineer - Subject Matter Expert (SME)
- Noblis (Chantilly, VA)
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             Responsibilities As a Network Engineer SME, you will provide expert leadership in designing, implementing, and managing sophisticated network systems and communications with special emphasis on Top Secret classification enclaves. You will architect secure network infrastructures that meet the highest security standards while enabling mission-critical operations. Your expertise will ensure the reliability, security, and performance of network systems that enable users to access highly sensitive data securely across complex classified network infrastructure. Key Responsibilities + Architect, design, and implement advanced network systems and communications solutions optimized for Top Secret/SCI environments. + Develop specialized security architectures for Top Secret enclave protection and isolation. + Create and maintain comprehensive network security strategies for classified environments. + Gather complex user network requirements utilizing multiple methodologies while ensuring compliance with TS security controls. + Develop and maintain extensive technical documentation, system requirements documents, and security requirements for classified networks. + Lead troubleshooting and resolution efforts for sophisticated network issues involving various protocols, topologies, and networking hardware in classified domains. + Provide expert guidance on network architecture design, feasibility studies, and cost analysis for secure environments. + Apply advanced technical and business experience to improve processes for deploying and maintaining network infrastructure within Top Secret facilities. + Design, deploy, test, certify, and patch critical network components including switches, firewalls, and load balancers in classified environments. + Address complex interoperability issues for all features, components, and application dependencies across classification boundaries. + Provide technical leadership during Program Increments (PIs) and Agile Release Train (ART) activities. + Lead incident response for critical network issues within designated resolution timelines. + Develop and implement network security controls specific to Top Secret classification requirements. Required Qualifications + Bachelor's degree or Master's degree with 10 years of experience OR Associate degree with 13 years of experience OR High School diploma with 16 years of experience. + Minimum of 10 years of experience in network engineering with at least 4 years working in Top Secret environments. + Active Top Secret (TS) clearance with eligibility for Sensitive Compartmented Information (SCI) and ability to obtain a Counterintelligence (CI) Polygraph. + US Citizenship is required. + Experience with SAFe Agile framework in classified environments. + Comprehensive understanding of multi-enclave network environments with emphasis on Top Secret infrastructure. + Demonstrated experience designing and implementing secure networks in classified government environments. + Relevant network certifications (CCNP, CCIE, or equivalent). + Security certifications (CISSP, Security+) preferred. + Advanced proficiency with: + Enterprise network hardware (Cisco, SonicWall) configuration in classified environments + Advanced implementation of network protocols (TCP/IP, DNS, DHCP, HTTP/S) with security hardening + Next-generation firewall configuration and management for TS/SCI network protection + Advanced load balancer implementation and configuration for classified applications + Software-defined networking technologies in high-security environments + Secure VPN technologies and encrypted tunneling for classified data transmission + Advanced network security principles and practices including zero-trust architecture + Enterprise network monitoring, analytics, and troubleshooting tools for classified networks + Network performance optimization while maintaining stringent security controls + Network segmentation and isolation techniques for classified domains + Advanced knowledge of IDS/IPS deployment and management + Air-gapped network design and implementation + May require flexible scheduling to support critical operations in Top Secret environments. + Must be able to respond to critical network incidents within designated resolution timelines (Critical: 8 hours, High: 24 hours, Medium: 48 hours, Low: 72 hours) Desired Qualifications + Active TS/SCI with CI Polygraph. + Experience designing and implementing networks within SCIFs. + Knowledge of specialized security controls for Top Secret classification level. + Background in security accreditation for classified networks. + Experience with advanced Cross-Domain Solutions. + Expertise in network traffic analysis within classified environments. + Prior work with specialized networking requirements for intelligence community operations. Overview Noblis (http://www.noblis.org/) and our wholly owned subsidiaries, Noblis ESI , and Noblis MSD tackle the nation's toughest problems and apply advanced solutions to our clients' most critical missions. We bring the best of scientific thought, management, and engineering expertise together in an environment of independence and objectivity to deliver enduring impact on federal missions. Noblis works with a wide range of government clients in the defense, intelligence and federal civil sectors. Learn more at Noblis -About Us (https://careers.noblis.org/about-noblis/) Why work at a Noblis company? Our employees find greater meaning in their work and balance the other things in life that matter to them. Our people are our greatest asset. They are exceptionally skilled, knowledgeable, team-oriented, and mission-driven individuals who want to do work that matters and benefits the public. Noblis has won numerous workplace awards (http://www.noblis.org/about/Awards/) . Noblis maintains a drug-free workplace. * _Remote/hybrid status is subject to change based on Noblis and/or government requirements_ Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to race, color, ethnicity, sex, age, national origin, religion, physical or mental disability, pregnancy/childbirth and related medical conditions, veteran or military status, or any other characteristics protected by applicable federal, state, or local law. If reasonable accommodation is needed to participate in the job application or interview process, to perform essential job functions, and/or to receive other benefits and privileges of employment, please contact us (https://careers.noblis.org/contact-us/) . EEO is the Law (https://www.dol.gov/general/topic/discrimination) | E-Verify (https://careers.noblis.org/wp-content/uploads/2024/09/Federal-e-verify-participation-poster-Eng-and-Sp.-9-11-2024.pdf) | Right to Work (https://www.justice.gov/crt/case-document/file/1133936/download) Total Rewards At Noblis we recognize and reward your contributions, provide you with growth opportunities, and support your total well-being. Our offerings include health, life, disability, financial, and retirement benefits, as well as paid leave, professional development, tuition assistance, and work-life programs. Our award programs acknowledge employees for exceptional performance and superior demonstration of our service standards. Full-time and part-time employees working at least 20 hours a week on a regular basis are eligible to participate in our benefit programs. Other offerings may be provided for employees not within this category. We encourage you to learn more about our total benefits by visiting the Benefits (https://careers.noblis.org/benefits/) page on our Careers (https://careers.noblis.org/) site. Compensation at Noblis is determined by various factors, including but not limited to, the combination of education, certifications, knowledge, skills, competencies, and experience, internal and external equity, location, clearance level, as well as contract-specific affordability, organizational requirements and applicable employment laws. The projected compensation range for this position is based on full time status. For part time or on-call staff, compensation is proportionately adjusted based on hours worked. While monetary compensation is important, it's just one component of Noblis’ total compensation package. Posted Salary Range USD $132,900.00 - USD $207,750.00 /Yr. 
 
 
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