{"id":2445553,"url":"https://alion.io/job/vailexa-senior-cmmc-network-engineer","title":"Senior CMMC Network Engineer","company":{"id":4417762,"name":"VAILEXA","domain":"vailexa.com","url":"https://alion.io/company/vailexa","size_band":null,"is_staffing_agency":true,"employer_type":"agency","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":null},"role":"Networking","role_family":"Networking","seniority":"senior","employment_type":null,"work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Beaverton, United States","Plano, United States"],"countries":["US"],"hiring_countries":["US"],"hiring_countries_total":1,"salary":null,"salary_estimate":{"min_usd":98000,"max_usd":179000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":38},"experience_years_min":7,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"BGP","optional":false},{"name":"DHCP","optional":false},{"name":"DNS","optional":false},{"name":"NIST 800-171","optional":false},{"name":"OSPF","optional":false},{"name":"TCP/IP","optional":false},{"name":"Tcpdump","optional":false},{"name":"VPN","optional":false},{"name":"Wi-Fi","optional":false},{"name":"Wireshark","optional":false},{"name":"Ansible","optional":true},{"name":"Python","optional":true},{"name":"Terraform","optional":true}],"status":"live","first_seen_at":"2026-09-16T15:47:20Z","employer_posted_date":"2026-09-16","last_verified_at":"2026-10-14T00:57:35Z","board_verified":true,"closed_at":null,"days_open":27,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":27},"description":"Build More Than Just a Career. Build Your Future.\nAt Vailexa, we’re not just hiring - we’re building thinkers, creators, and future leaders.\nWe believe in giving people the space to grow, the freedom to think, and the opportunity to create real impact from day one. If you’re someone who wants to learn fast, take ownership, and grow beyond limits, you’ll feel right at home here.\nOverview\nWe are seeking a Senior Network Engineer to design, implement, secure, and support enterprise network infrastructure across LAN/WAN/WiFi, datacenters, and cloud connectivity within a CMMC-regulated environment. This role requires deep technical expertise in enterprise networking plus hands-on experience supporting NIST 800-171 controls and CUI (Controlled Unclassified Information) boundary protection.\nKey Responsibilities\nDesign, implement, and maintain enterprise network infrastructure (LAN/WAN/WLAN) in alignment with CMMC/NIST 800-171 requirements.\nLead the design and implementation of Cisco SD-Access (SDA) across the environment, including DNA Center-managed fabric (wired and wireless), SGT/TrustSec-based segmentation, and fabric-based CUI boundary enforcement.\nManage and optimize routing and switching environments (SD-WAN, BGP, OSPF, EIGRP, VLANs, STP, HSRP/VRRP).\nConfigure and support firewalls, VPNs, and network security controls enforcing CUI boundary segmentation.\nDesign and maintain network architecture supporting CUI enclaves, including access control, encryption in transit, and audit logging per NIST 800-171 / DFARS 252.204-7012.\nLead network upgrades, migrations, and infrastructure projects with attention to compliance boundary impact.\nSupport and troubleshoot network performance issues and outages (root cause analysis).\nMonitor network health using tools like SolarWinds / ThousandEyes (or similar), including compliance-relevant traffic visibility and alerting.\nMaintain network documentation: diagrams, IP schema, standards, runbooks, and System Security Plan (SSP) network artifacts.\nSupport CMMC self-assessment or C3PAO assessment activities by providing network evidence, diagrams, and control narratives.\nWork with service providers for circuit turn-ups, troubleshooting, and escalations.\nEnsure high availability, redundancy, and disaster recovery readiness.\nMentor junior engineers and provide technical guidance.\nParticipate in on-call rotation and after-hours maintenance.\nCloud Networking (AWS / Azure)\nDesign and support cloud network architecture: AWS VPC / Transit Gateway / Route Tables / NACLs / Security Groups; Azure VNet / VNet Peering / UDR / NSGs / Cloud Firewall.\nImplement secure hybrid connectivity: IPsec site-to-site VPN, AWS Direct Connect / Azure ExpressRoute.\nImplement cloud segmentation and secure routing patterns specifically for CUI-handling workloads.\nSupport cloud security integrations: centralized logging/monitoring, network traffic visibility and alerting mapped to NIST 800-171 controls.\nPartner with cloud engineering and compliance/GRC teams to ensure compliant connectivity for CUI workloads.\nRequired Qualifications\nBachelor's degree in IT/Computer Science or equivalent experience.\n7+ years of hands-on enterprise network engineering experience.\nDemonstrated experience supporting a network environment under CMMC / NIST 800-171 / DFARS 252.204-7012 requirements - implementation or assessment support, not just familiarity.\nStrong knowledge of routing and switching (Cisco); TCP/IP, subnetting, DNS, DHCP, InfoBlox; WAN technologies (DMVPN, SD-WAN, DIA, broadband); wireless networking (Cisco/Meraki).\nExperience with firewalls (Palo Alto / Cisco ASA/FTD), VPN (site-to-site, remote access), and network segmentation for regulated/CUI environments.\nStrong troubleshooting skills using packet capture tools (Wireshark/tcpdump).\nExperience contributing to or supporting SSP, POA&M, or CMMC assessment documentation.\nExcellent communication and stakeholder management skills.\nPreferred Qualifications\nCMMC RP, CCP, or CCA credential (or actively pursuing).\nCCNP / CCIE (Enterprise or Security).\nPCNSE / NSE.\nSD-WAN experience (Viptela, etc.).\nAutomation experience (Python, Ansible, Terraform, API-based networking).\nNAC experience (Cisco ISE, ClearPass).\nPrior experience on a DoD/federal contractor network supporting an active CMMC assessment cycle.\nReady to take the next step?\nIf you’re excited about this role and ready to grow with a team that values ambition, ideas, and impact - we’d love to hear from you.\nApply now and start building your journey with Vailexa.","description_format":"text","description_chars":4541,"description_truncated":false,"requirements":{"experience_years_min":7,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-10-13T13:25:46Z"}],"visa":[],"liveness":{"score":31,"band":"fade","label":"Fading","p_open":1,"p_active":0.417,"p_room":0.75,"age_days":27,"expected_fill_days":29,"reasons":["conf:2","agency","win:late"],"computed_at":"2026-10-14T03:15:31Z"},"pay":null,"html_url":"https://alion.io/job/vailexa-senior-cmmc-network-engineer","json_url":"https://alion.io/job/vailexa-senior-cmmc-network-engineer.json","meta":{"generated_at":"2026-10-14T03:15:31Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":5096,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-15T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":4417762},"rest":"https://alion.io/mcp/rest/get_company?id=4417762"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fvailexa-senior-cmmc-network-engineer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fvailexa-senior-cmmc-network-engineer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fvailexa-senior-cmmc-network-engineer"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/vailexa-senior-cmmc-network-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fvailexa-senior-cmmc-network-engineer"}]}