Senior Network Security Engineer Jobs in Missouri

Senior Network Engineer St. Louis, MO Apply **ACTIVE TS/SCI SECURITY CLEARANCE REQUIRED** Our work depends on a Sr. Network Engineer with TS/SCI security clearance and willing to take CI Polygraph in joining our team to support our intelligence customer activities in Springfield, VA or St. Louis, MO. What you get to do every day: * Support customer's Data Center network, application delivery, and network security environments to include operations and maintenance (O&M), system integration/deployment and solution development/design * Provide tier III SME level support within the incident management process * Work independently with project stakeholders, system owners, project managers, and technical staff to deploy or enhance IT solutions * Coordinate with project staff for solution development and deployment while managing project aspects within applicable technical area of responsibility * Collaborate with system engineers across teams and disciplines to ensure solutions meet established technical goals and are deployed within established timelines * Evaluates new network technologies and makes recommendations to stakeholders regarding the integration of these technologies into the existing network * Develops and implements methodologies for analysis, testing, and support of LAN and WAN networks * Diagnosing hardware and software problems and replacing defective components * Support operations and maintain activities and administer networks including hardware, systems software, applications software, and all configurations * Ensure systems are integrated with existing performance and availability management framework * Schedule and coordinate system changes within the established change management framework * Evaluate new system hardware and software to ensure optimal integration with existing hardware and compliance with customer standards * Prepare technical proposals for presentation to the engineering review boards for adding new technologies to the network * Perform a full range of upgrades in accordance with existing network architecture * Review user requests for upgrades or additions to the network to assess impact on network performance and provide advice and guidance on the most practical technical approach to meeting user requirements * Perform long term O&M activities to include tier 3 troubleshooting and problem resolution * Interface with external tier 4 support staff and vendor support as required for problem resolution * Utilize complex network analysis tools to identify and correct problems in the network while maintaining logs and records associated with reported problems or situations * Prepare troubleshooting procedures for restoring the network to optimal performance levels * Develop and document standard operating procedures (SOP) for use by technical support staff * Provide fault management for the network and supports performance management functions. What you need: * 10 years of experience preferred with several years focusing specifically on data center networking and technologies * SME level understanding and experience with dynamic routing protocols to include OSPF and BGP * SME level understanding of data center technologies.  Familiarity with EVPN, VXLAN, Cisco vPC, ACI, F5 load balancing and RSTP is a plus * Understanding and experience analyzing TCP/UDP application flow using external network analyzers along with built-in network switch/router diagnostic tools * Familiarity with DOD STIGs and SD-WAN * Experience with MS Visio and documenting network architectures and application flows * Strong oral and written communication skills * Effective at communicating technical ideas through presentations, documentation, meetings * Learn and evaluate new technologies * Responsible for managing their own projects from start to finish so initiative, time management, and attention to detail are critical traits and skills What would make you stand out: * Professional or expert level certifications (at a minimum CCNP, F5-CTS or JNCIP) - CCIE/F5-CSE/JNCIE preferred * Experience with Cisco, F5, Juniper and Palo Alto hardware and operating systems is a plus Additional Information * All your information will be kept confidential according to EEO guidelines. * Compensation is unique to each candidate and relative to the skills and experience they bring to the position. The salary range for this position is typically $130-$140k. This does not guarantee a specific salary as compensation is based upon multiple factors such as education, experience, certifications, and other requirements, and may fall outside of the above-stated range. * Highlights of our benefits include Health/Dental/Vision, 401(k) match, Accrued PTO, STD/LTD/Life Insurance, Referral Bonuses, professional development reimbursement, and more! D2 Technical Services is committed to a merit-based recruitment process and encourages applications from all qualified individuals.  As a Veteran-Owned Small Business, we particularly welcome applications from veterans who have the requisite skills and experience.  Job applicants that are interested in one of our openings and may require a reasonable accommodation to participate in the job application or interview process, should contact us to request an accommodation.