{"id":3224110,"url":"https://alion.io/job/leidos-senior-network-software-engineer-2","title":"Senior Network Software Engineer","company":{"id":7791,"name":"Leidos","domain":"leidos.com","url":"https://alion.io/company/leidos","size_band":"5000+","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":78,"open_postings":248,"ghost_share":0.004,"stale_share":0.879,"repost_share":0.004,"time_to_fill_p50_days":28,"computed_at":"2026-10-26T05:57:25Z"}},"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":["Shiloh, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":87100,"max":157450,"currency":"USD","period":"year","gross":null,"usd_annual":157450},"salary_estimate":null,"experience_years_min":4,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"BGP","optional":false},{"name":"Bitbucket","optional":false},{"name":"Git","optional":false},{"name":"Linux","optional":false},{"name":"OSPF","optional":false},{"name":"Python","optional":false},{"name":"Rest API","optional":false},{"name":"MPLS","optional":true}],"status":"live","first_seen_at":"2026-10-22T00:00:00Z","employer_posted_date":"2026-10-22","last_verified_at":"2026-10-25T10:59:32Z","board_verified":true,"closed_at":null,"days_open":4,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":4},"description":"Leidos’ Digital Sector/Global Solutions Management-Operations II (GSMO-II) contract has an opening for a Senior Network Software Engineer located in the Scott AFB, IL area. The Senior Network Software Engineer will support the development and release of new software tools using the Cisco Network Services Orchestrator (NSO) platform, Python, and other software languages to sustain and manage a Carrier-class Wide Area Network for the Defense Information Systems Agency under the Department of War. Additionally, the position will offer the candidate an opportunity to engage in network engineering using knowledge of routing and system fundamentals in an ISP level network environment. This position is ideal for a networking professional with software development experience looking to develop and expand their abilities and showcase their skills in a fast paced and technically challenging role.\nPrimary Responsibilities-\nDesign, develop, document, test and release software written in Python, XML, and other languages for use with the Cisco Network Services Orchestrator (NSO) platform.\nIntegrate software with network devices, including Cisco ASR9K and Juniper MX series routers.\nPerform engineering tasks related to the design, implementation, and integration of network changes and sustainment of customer systems in a Wide Area Network environment.\nConduct planning and performance of analytical research, design development, and other tasks to align with customer specifications.\nEnsure efficient delivery of contract capabilities using industry standards and repeatable processes.\nMitigate risks, control costs and schedule variance, and effectively manage large scale, integrated projects.\nPerform a variety of analytical tasks which include hardware and software design and implementation.\nProactively and independently identify, report, monitor, and mitigate technical risks.\nFrequently communicate and collaborate with other team members to ensure successful completion of project objectives.\nProvide mentorship and act as a technical resource for lower-level network engineers.\nBasic Qualifications-\nCurrently possess an active DoD Secret clearance or higher\n\nCurrently possess DoD 8750 certification at IAT level II, Security+ CE or equivalent to meet requirement.\nPython software development experience that includes REST api development, as well as the parsing, generation and validation of JSON.\nExperience with distributed version control software such as Git and Bitbucket.\nExperience developing software on a Linux platform.\nExperience troubleshooting and configuring IP networks using at least one of the following routing methods: BGP, ISIS, OSPF, and/or Static routing.\nExperience with either service provider or enterprise IP networks using an interface on Cisco (ESR and ASR) and/or Juniper routers.\nStrong communication skills that enable proactive and effective collaboration with a team.\nKnowledge of and ability to apply principles, theories, and concepts of Software Engineering.\nPreferred Qualifications-\nProficient in Juniper and Cisco configuration, troubleshooting, and design.\nExperience with Cisco IOS XR, JUNOS, and Cisco IOS codes.\nNetwork configuration experience, specifically with Juniper or Cisco routers, to include protocols such as BGP, MPLS, VPLS, Pseudowires and QoS.\nCertifications with major network system vendors such as Cisco are a strong plus\nExperience developing XML and/or object-oriented programming.\nExperience developing software using SDN modeling languages and protocols such as YANG, NETCONF and RESTCONF.\nFull software lifecycle experience (design, development, test, deployment), including deployment to a production environment.\nExperience developing software including the ability to quickly learn new technologies.\nExperience creating software design artifacts, including the creation of functional, technical, and architectural design documentation as well as test cases and installation, deployment and configuration documentation.\nSoftware Defined Networking experience, particularly experience with Cisco NSO.\nPossessing project, technical, interpersonal, presentation and problem management skills.\nRequired Education and Experience-\nRequires BS and 4-8 years of prior relevant experience or Masters with 2-6 years of prior relevant experience.\nIf you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.\nOriginal Posting:\nOctober 22, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.\nPay Range:\nPay Range $87,100.00 - $157,450.00The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.","description_format":"text","description_chars":5399,"description_truncated":false,"requirements":{"experience_years_min":4,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"master","optional":false},"security_clearance":true,"languages":[]},"benefits":["Equity"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["National Security","C4ISR","Defense Manufacturing","Engineering Services"],"lifecycle":[{"event":"open","at":"2026-10-25T04:42:46Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"H-1B filings in 12 months: 50 · green card filings: 24","filings_12m":50,"filings_prev_12m":58,"green_card_filings_12m":24,"median_offered_wage_usd":124257,"route":null,"cap_exempt":false,"checked_at":"2026-10-15T11:24:14+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)","US Department of Labor: PERM disclosure data (green cards)"],"filings_for_role_12m":0}],"liveness":{"score":63,"band":"ok","label":"Likely open","p_open":1,"p_active":0.632,"p_room":1,"age_days":4,"expected_fill_days":28,"reasons":["conf:18","stale_co","velocity","win:early","comp:brand"],"computed_at":"2026-10-26T05:57:25Z"},"pay":{"stated_usd_annual":157450,"is_top_pay":true},"html_url":"https://alion.io/job/leidos-senior-network-software-engineer-2","json_url":"https://alion.io/job/leidos-senior-network-software-engineer-2.json","meta":{"generated_at":"2026-10-26T10:35:23Z","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":14222,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-27T00:00:00Z"}},"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":7791},"rest":"https://alion.io/mcp/rest/get_company?id=7791"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fleidos-senior-network-software-engineer-2"},{"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%2Fleidos-senior-network-software-engineer-2"},{"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%2Fleidos-senior-network-software-engineer-2"},{"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/leidos-senior-network-software-engineer-2\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fleidos-senior-network-software-engineer-2"}]}