{"id":2707371,"url":"https://alion.io/job/themis-insight-sr-network-engineer-cisco-network-security","title":"Sr. Network Engineer (Cisco & Network Security)","company":{"id":691394,"name":"Themis Insight","domain":"themisinsight.com","url":"https://alion.io/company/themisinsight","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Breezy","truth_index":{"grade":"A","score":97,"open_postings":3,"ghost_share":0,"stale_share":0.333,"repost_share":0,"time_to_fill_p50_days":13,"computed_at":"2026-10-17T05:46:00Z"}},"role":"Networking","role_family":"Networking","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Fort Meade, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":99000,"max_usd":203000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":413},"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Linux","optional":false},{"name":"VPN","optional":false},{"name":"Ansible","optional":true}],"status":"live","first_seen_at":"2026-10-16T11:29:07Z","employer_posted_date":"2026-10-16","last_verified_at":"2026-10-18T00:39:01Z","board_verified":true,"closed_at":null,"days_open":1,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":1},"description":"Themis Insight solves difficult business, IT, and analytic problems by addressing the whole problem - not just the symptoms - using interdisciplinary approaches that are both practical and innovative. We provide fresh alternatives to ordinary, mainstream consulting firms through small, highly skilled, and hand-picked teams that can meet clients' needs in any industry. Our broad interdisciplinary understanding allows us to provide the right solution, even if it is from outside the industry or traditionally defined problem space. We bring Public and Private, Civilian and Military expertise to every case.\nWe are hiring a Sr. Network Engineer (Cisco & Network Security) to work in Fort Meade, MD. Position location is subject to change based on central MD client's needs.\nRequired: TS/SCI with a Polygraph\nEssential Duties and Responsibilities:\nDevelop, plan, and implement scalable network solutions, new network layouts, and upgrades. \nInstall, configure, and maintain network hardware (routers, switches, firewalls) and software. \nImplement and manage network security measures, including firewall rules, access controls, and security protocols to protect data. \nResolve network issues. \nMonitor network health, analyze traffic patterns, and improve visibility through metrics and alerting. \nCreate and maintain network documentation, policies, and procedures.\nDescription:\nProvides assistance in all aspects of network management from network design through implementation, maintenance, and upgrading of existing networks; Analyzes design, specifications, and related documents; Implements communication system requirements to support the distributed functionality of a software engineering environment; Analyzes network characteristics (e.g. traffic connect time, transmission speeds, packet sizes and throughput), troubleshoots problems and recommends procurement of and/or modifications to network components.\nThe Level 3 Network Engineer shall possess the following capabilities:\nMinimize network latency and maximize data throughput through design analysis and network performance monitoring tools\nDevelops algorithms used in modules or incorporated into models associated with the research and development of technologies and systems.\nEnsures that all material received is inspected for evidence of tampering and, if any is found, submits a report of suspected physical incident immediately\nConfigure and maintain organization's network diagrams and accreditations.\nIntegrate hardware and software to satisfy ISO 9000 requirements and other DoD/IC regulations.\nDesign, integrate, test, and deploy solutions to established network issues.\nOptimize end-to-end system performance and dataflow management.\nCoordinate with appropriate dataflow organizations and end-customer recipients, follow-on data repositories and tasking organizations and mitigate potential adverse impacts on system-wide dataflow\nImplement specific network solutions to support server requirements to include load-balancing, VPN’s, firewall contexts, Traffic Shapping Voice over IP (VOIP), GRE Tunneling, IP Security (IPSec) IP Encryption and Media over IP (MoIP), and network address translation (NAT) where appropriate\nCoordinate with the system engineering and dataflow efforts to ensure proper mission operations to minimize down time.\nDesign solutions, integrate, configure, deploy, test and provide ongoing maintenance for numerous types of network devices, interfaces and methodologies\nApplies Network Acceleration techniques such as Riverbed.\nConducts inventories as directed (e.g., semiannually/annually)\nReports any known or suspected COMSEC incidents immediately\nPerform configuration, test, deployment, and maintenance to all network equipment.\nValidate new and existing dataflow and data formats,\nManage assigned tasks and provide guidance to junior Network Engineers.\nFacilitate the implementation of high-speed, scalable, fault-tolerant network topologies as applicable to WAN and LAN design.\nConfigure and optimize the network to connect various front-end and back-end components\nLead large efforts of dynamic requirements and scale\nResolve complex network problems, operate network analyzers, WAN test equipment and network simulators\nAssists System engineers and cross organizational teams to define requirements.\nIndividual Capabilities/Experience Required:\nTwelve (12) years’ experience in programs and contracts of similar scope, type, and complexity is required. Bachelor’s degree in engineering from an accredited college or university is required. Four (4) years of additional network engineering experience may be substituted for a bachelor’s degree.\nCertifications: An IAT level III baseline certification as defined by DoD 8570.01-M is required.\nMinimum of 3 years as a Network Engineer (within the last 3 years). \nProficient with Linux. Linux system administration experience is a plus. \nCCNA or CCNP certification.\nSecurity+ certification.\nIndividual Capabilities/Experience Desired:\nShould have working knowledge, able to use and or support, with some (preferably most) of the following resources and tools. \nJuniper and Cisco routers, switches, and firewalls \nPalo Alto firewalls \nDell and HPE Linux servers \nExperience with patching and upgrading Linux servers and networking resources. \nAnsible \nNutanix - VM management \nRubrik - data storage \nNomad containers \nSALT scripts \nLibreNMS \nNetBox\nThemis Insight has all the PERKS!\nYou are our most valuable resource - your ambition, your knowledge, your creativity. We offer an industry-leading set of benefits to supplement your normal salary compensation. Themis Insight has you covered with flexible ways to balance work and home life, full health benefit premium coverage, and generous contributions toward your retirement.\nCompetitive health, dental, and vision plans with 100% paid premiums.\n401k: We contribute 6% even if you don't!\nTime Off: 11 standard holidays, and 25 days of PTO\nCareer Development: Get career counseling and individualized career development plans, including education and training.\nEmployee referral bonuses for successful hires\nThemis Insight is an Equal Opportunity/Affirmative Action employer.\nThemis Insight provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.\nThis policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.","description_format":"text","description_chars":6791,"description_truncated":false,"requirements":{"experience_years_min":3,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":true,"languages":[]},"benefits":["401k plan"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Network Security","Digital Government","Engineering Services"],"lifecycle":[{"event":"open","at":"2026-10-16T12:58:24Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":0,"expected_fill_days":13,"reasons":["conf:0","velocity","win:early"],"computed_at":"2026-10-17T05:46:00Z"},"pay":null,"html_url":"https://alion.io/job/themis-insight-sr-network-engineer-cisco-network-security","json_url":"https://alion.io/job/themis-insight-sr-network-engineer-cisco-network-security.json","meta":{"generated_at":"2026-10-18T02:06:03Z","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":3429,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-19T00:00:00Z"}},"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":691394},"rest":"https://alion.io/mcp/rest/get_company?id=691394"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fthemis-insight-sr-network-engineer-cisco-network-security"},{"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%2Fthemis-insight-sr-network-engineer-cisco-network-security"},{"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%2Fthemis-insight-sr-network-engineer-cisco-network-security"},{"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/themis-insight-sr-network-engineer-cisco-network-security\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fthemis-insight-sr-network-engineer-cisco-network-security"}]}