Senior Enterprise Architect - WAN/Transport

M9 Solutions is seeking aSenior Enterprise Architect - WAN/Transport to work hybrid remote/onsite in support of a government contract for a client located inReston, VA. An activeTS/SCI clearanceis required., * WAN/transport design recommendations for mission networks: site connectivity, segmentation, resiliency, performance engineering across classified and unclassified enclaves.

• L0 circuit configurations, including CLLI circuit route options across CONUS and OCONUS.
• Optimized WAN transport design using Optical Transport Network (OTN) and ITU-T standards G.709, G.798, G.872; plus MPLS/IP, Ethernet, VPN/IPsec, SDWAN, SASE/SSE.
• WAN work package deliverables: HLD/LLD, logical/physical diagrams, IP plans, routing/QoS policies, security boundary requirements, BOM/part lists, rack elevations, configuration templates, interface cut sheets.
• Methods of Procedure (MOPs), implementation plans, cutover schedules, rollback procedures, and test/validation plans.
• Network engineering compliance evidence: configuration baselines, implementations, boundary descriptions, and support.
• Tier 3/4 troubleshooting and root cause analysis (routing instability, path asymmetry, MTU, encryption overlays, QoS, and provider impairments).
• WAN capacity planning: bandwidth, optical/Carrier Ethernet capacity, routing headroom, power/cooling, and lifecycle/EOL.
• L0 circuit delivery/integration/activation coordination, as-built documentation.
• ROM estimates and cost models for new sites, routes, and WAN services.

• Active TS/SCI security clearance.
• Work Authorization: US Citizenship is required.
• BA/BS and 14 - 17+ years of related experience; OR Master's degree and 13+ years of related experience; OR PhD/JD and 10+ years of related experience.
• 14+ years progressive WAN/transport engineering, network architecture, or telecommunications experience.
• Deep expertise in OTN and ITU-T standards G.709, G.798, G.872.
• MPLS/IP, Ethernet, VPN/IPsec overlays, and enterprise/carrier WAN design patterns.
• Advanced routing and traffic engineering (BGP, OSPF/ISIS), path control, convergence.
• SDWAN and secure connectivity patterns (SASE/SSE), segmentation, and policy design.
• QoS design (marking, queuing, shaping), performance engineering (latency/jitter/loss), and capacity planning.
• Network security technologies, boundary protections, and Zero Trust networking principles.
• Demonstrated ability to create field-ready engineering packages (diagrams, IP plans, BOMs, configuration templates, implementation steps, cutover/rollback, and test/validation).
• Excellent technical writing - engineering documentation and briefing technical/non-technical stakeholders.
• CONUS/OCONUS travel required.

With 15+ years of proven delivery andgrowth, M9 Solutions is a unique small business with credible past performance and key capabilities offering project management services, solution architects, business analysts, program managers, technical architects, and technical consultants. M9 was recognized as an Inc. 5000 Fastest-Growing Private Companies in 2021, 2020, 2019, 2018, 2017, 2016, and 2012. M9 Solutions believes that work should be fun, rewarding, and something everyone can be excited about. We offer a competitive compensation package and valuediverse perspectivesin driving the vision of the company.

M9 Solutions is dedicated to providing IT services and solutions to the Federal Government by mobilizing the right people, skills, clearance levels, and technologies to help organizations who desire improved performance and modern, sustainable change. M9 has provided quality IT services and support to more than 30 Federal Agencies and multiple commercial customers nationwide. Our capabilities include digital transformation, software development, cloud migration, applications & infrastructure, cybersecurity, data delivery & analytics, and IT talent solutions., M9 Solutions is a proud participant in the Virginia Values Veterans (V3) program and supports the Military Medics and Corpsmen (MMAC) initiative, demonstrating our commitment to hiring and supporting veterans, transitioning service members, military spouses, and dependents., M9 Solutions is an affirmative action and equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, disability, age, sexual orientation, gender identity, national origin, veteran status, or genetic information. This policy applies to all employment decisions, including, but not limited to, recruitment, hiring, compensation, training and apprenticeship, promotion, upgrading, demotion, downgrading, transfer, lay-off and termination, and all other terms and conditions of employment. All decisions regarding conditions of employment will be based on applicable law, including the individual's overall qualifications and his/her ability to meet the requirements of the position. M9 Solutions is committed to providing access, equal opportunity and reasonable accommodation for individuals with disabilities in employment, its services, programs, and activities. To request reasonable accommodation or to view the Affirmative Action Plan, contact M9 Solutions HR Department: hr.inquiries@m9solutions.com.