{"id":3279366,"url":"https://alion.io/job/jcs-solutions-senior-network-engineer-jcs-solutions-llc","title":"Senior Network Engineer - JCS Solutions LLC","company":{"id":3854787,"name":"JCS Solutions","domain":"jcssolutions.com","url":"https://alion.io/company/jcs-solutions","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"JazzHR","truth_index":null},"role":"Networking","role_family":"Networking","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Fort Belvoir, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":70000,"max":104000,"currency":"USD","period":"year","gross":null,"usd_annual":104000},"salary_estimate":null,"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Ansible","optional":false},{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"BGP","optional":false},{"name":"DHCP","optional":false},{"name":"Discord","optional":false},{"name":"DNS","optional":false},{"name":"MPLS","optional":false},{"name":"OSPF","optional":false},{"name":"Python","optional":false},{"name":"Slack","optional":false},{"name":"TCP/IP","optional":false},{"name":"VMWare","optional":false},{"name":"VPN","optional":false},{"name":"Zero Trust","optional":false}],"status":"live","first_seen_at":"2026-10-26T15:44:13Z","employer_posted_date":"2026-10-26","last_verified_at":"2026-10-30T20:30:49Z","board_verified":true,"closed_at":null,"days_open":4,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":4},"description":"Grow, innovate, and generate progress: Harness your expertise to solve challenges and celebrate success!\nJob Summary\nJCS Solutions is seeking a Senior Network Engineer to support our teaming partner, Leidos. In this role you will design, implement, modernize, and sustain enterprise network infrastructure in a fast-paced DoD environment. You will provide engineering expertise for the mission-critical LAN, WAN, and secure network infrastructure behind classified and enterprise operations.\nYou will work independently and with multidisciplinary engineering teams to deliver secure, resilient, and scalable network solutions as customer mission needs change. Strong Cisco routing and switching skills and hands-on Palo Alto Networks firewall experience are essential.\nLocation: Ft. Belvoir, VA\nClearance: TS/SCI\nSalary: $70,000.00 - $104,000.00\nCertification: Active DoD 8140/8570 IAT Level II certification.\nWhat’s in it for you:\nJoin a premier technology firm specializing in innovative solutions. \nBe part of a collaborative, inclusive, and innovative work culture. \nEnjoy tremendous growth potential in a high-performing team environment. \nA robust benefits package: Health, dental, and vision insurance \nLife insurance \nShort-and-long term disability \nPaid time off (PTO) \n401k retirement plan with employer match \nAnnual Professional Development Reimbursement Program \nAnd more! \n\nWhat you will do:\nDesign, implement, configure, and maintain enterprise LAN and WAN infrastructure.\nEngineer and support Cisco routing and switching environments for mission-critical networks.\nConfigure, troubleshoot, and optimize routing and switching technologies, including OSPF, BGP, VLANs, Spanning Tree Protocol (STP), and HSRP/VRRP.\nSupport WAN connectivity over MPLS, VPN, and Internet-based transport.\nConfigure, administer, and maintain Palo Alto Networks next-generation firewalls.\nDesign, implement, and support secure Palo Alto GlobalProtect remote access and site-to-site VPN solutions.\nMonitor network health, analyze performance, identify bottlenecks, and implement corrective actions.\nPerform advanced Layer 1-7 troubleshooting using industry-standard diagnostic tools.\nDevelop and maintain engineering documentation, implementation plans, network diagrams, and standard operating procedures.\nTake part in technology refreshes, network modernization efforts, and infrastructure upgrades.\nWork with cybersecurity staff to ensure compliance with DoD cybersecurity policies, RMF requirements, and applicable STIGs.\nSupport scheduled maintenance, incident response, and operational troubleshooting in a high-availability environment.\nWhat you will bring: Clearance: Active TS/SCI security clearance and U.S. citizenship.\nExtensive experience designing, implementing, and supporting enterprise Cisco network infrastructure.\nStrong working knowledge of:TCP/IP\nIPv4/IPv6\nDDI (DNS/DHCP/IPAM)\nNAT\nVLANs\nCopper and fiber optic cabling standards\nQuality of Service (QoS)\nOSPF\nMPLS\n\nSecure Access Service Edge (SASE) technologies\nHands-on experience configuring and administering Palo Alto Networks next-generation firewalls, including security policies, NAT, threat prevention, and GlobalProtect.\nExperience implementing and supporting secure remote-access and site-to-site VPN technologies.\nDemonstrated experience troubleshooting enterprise LAN and WAN environments.\nExperience supporting networking solutions within a fast-paced DoD enterprise.\nExcellent written, verbal, and interpersonal communication skills.\nAbility to manage multiple priorities while working independently and as part of a technical team.\n Required CertificationsActive DoD 8570/8140 IAT Level II certification. Any one of the following qualifies: CASP+ CE, CCNA-Security, CCNP Security, CCSP, CISA, CISSP (or Associate), CND, CySA+, GCED, GCIH, GICSP, GSEC, Security+ CE, SSCP, Active Cisco Certified Network Associate (CCNA)\n\nEducation RequirementsBachelor's degree in computer science, information technology, engineering, or a related discipline with 8+ years of relevant experience, or\nMaster's degree with 6+ years of relevant experience.\nA Doctorate in a technical domain is acceptable.\nWork ScheduleFull-time with flexible hours. You must be available for off-hours work when needed to support installations and migrations.\n How you will wow us:Cisco Certified Network Professional (CCNP).\nExperience with BGP and advanced SD-WAN architectures.\nExperience deploying and supporting Versa Networks or similar SD-WAN solutions.\nNetwork automation experience with Python, Ansible, and Infrastructure-as-Code (IaC).\nFamiliarity with Network Access Control and Comply-to-Connect technologies, such as Cisco ISE and IEEE 802.1X.\nExperience with enterprise network monitoring platforms, such as SolarWinds or PRTG.\nExperience supporting hybrid cloud networking in Microsoft Azure and/or AWS.\nKnowledge of the DoD Risk Management Framework (RMF), STIGs, and Zero Trust networking principles, including SD-WAN, micro- and macro-segmentation, and Zero Trust Network Access (ZTNA).\nFamiliarity with break-and-inspect, reverse web proxy, and other application-based firewall features.\nExperience reviewing packet capture data for troubleshooting and analysis.\nExperience supporting on-premises virtualization platforms, such as VMware vSphere.\nJCS Solutions (JCS) is a premier technology firm providing innovative solutions and high-quality services in defense, national security, and civilian sectors. JCS offers enterprise-wide solutions including cloud computing, software development, cybersecurity, digital modernization, and management consulting for the federal government. At JCS, we elevate our customers’ mission through the application of technology and professional services. Our commitment to investing in our workforce drives innovation and progress for our clients, employees, and communities.\nJCS is both a Great Place to Work and a Top Places to Work certified company.\nOur employees embody our core values, and we are looking for others who do too!\nCustomer Experience: Strive for excellence and delight our clients \nInnovation: Embrace creative thinking to enable continual growth and powerful solutions \nAccountability: Take ownership of and pride in our actions and service delivery \nInspire: Be inspired to be your best self and have fun in the process \nIntegrity: Do the right thing, the right way, every time! \nStewardship: The careful and responsible management of something entrusted to our care. \nAt JCS Solutions, compensation is based on a number of factors such as location, qualifications, and applicable contract terms. The general salary range for this position is as follows: $70,000.00 - $104,000.00Commitment to Non-Discrimination\nAll qualified applicants will receive consideration for employment without regard to any protected status protected by applicable federal, state, or local laws.\nNOTICE: Please be aware that all JCS Solutions communications related to job interviews and offers from our recruiting team will only come from @JCSSolutions.com. We want to emphasize that we do not conduct any interviews over Discord, Slack, Skype, Zoom, or any chat app.","description_format":"text","description_chars":7164,"description_truncated":false,"requirements":{"experience_years_min":8,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":true,"languages":[]},"benefits":["401k plan","Life insurance","Professional development","Retirement plans","Vision insurance"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Network Security","IT Help Desk & Service Desk","Security Operations"],"lifecycle":[{"event":"open","at":"2026-10-26T15:44:13Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":3,"expected_fill_days":16,"reasons":["conf:1","velocity","win:early"],"computed_at":"2026-10-30T05:48:23Z"},"pay":{"stated_usd_annual":104000,"is_top_pay":false},"html_url":"https://alion.io/job/jcs-solutions-senior-network-engineer-jcs-solutions-llc","json_url":"https://alion.io/job/jcs-solutions-senior-network-engineer-jcs-solutions-llc.json","meta":{"generated_at":"2026-10-31T01:26:37Z","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":1945,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-01T00:00:00Z"}},"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":3854787},"rest":"https://alion.io/mcp/rest/get_company?id=3854787"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fjcs-solutions-senior-network-engineer-jcs-solutions-llc"},{"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%2Fjcs-solutions-senior-network-engineer-jcs-solutions-llc"},{"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%2Fjcs-solutions-senior-network-engineer-jcs-solutions-llc"},{"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/jcs-solutions-senior-network-engineer-jcs-solutions-llc\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fjcs-solutions-senior-network-engineer-jcs-solutions-llc"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3279366}},{"tool":"search_jobs","arguments":{"company":"jcssolutions.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3279366},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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