{"id":2777541,"url":"https://alion.io/job/leidos-network-security-tools-engineer","title":"Network Security Tools 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":80,"open_postings":173,"ghost_share":0.006,"stale_share":0.798,"repost_share":0.006,"time_to_fill_p50_days":27,"computed_at":"2026-10-17T05:46:00Z"}},"role":"Security","role_family":"Security","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":["Suitland, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":107900,"max":195050,"currency":"USD","period":"year","gross":null,"usd_annual":195050},"salary_estimate":null,"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Crowdstrike","optional":false},{"name":"DHCP","optional":false},{"name":"DNS","optional":false},{"name":"Microsoft Sentinel","optional":false},{"name":"SIEM","optional":false},{"name":"Splunk","optional":false},{"name":"TCP/IP","optional":false},{"name":"Windows","optional":false},{"name":"Wireshark","optional":false},{"name":"AWS","optional":true},{"name":"Azure","optional":true},{"name":"Bash","optional":true},{"name":"GCP","optional":true},{"name":"PowerShell","optional":true},{"name":"Python","optional":true}],"status":"live","first_seen_at":"2026-10-02T00:00:00Z","employer_posted_date":"2026-10-02","last_verified_at":"2026-10-17T21:29:01Z","board_verified":true,"closed_at":null,"days_open":15,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":15},"description":"Network Security Tools Engineer\nLocation: Suitland, MD\nClearance Required: Active TS/SCI\nLeidos is seeking an experienced Network Security Tools Engineer to join our cybersecurity team in Suitland, MD. This position will support the security technologies and infrastructure that provide visibility, monitoring, detection, and protection across a mission critical enterprise environment.\nIn this role, you will be responsible for the administration, engineering, optimization, integration, and troubleshooting of enterprise network security tools and platforms. You will work closely with cybersecurity operations, network engineering, and other technical teams to ensure security tools remain available, properly configured, and capable of providing reliable data to support threat detection and incident response.\nThe ideal candidate will bring a strong combination of networking and cybersecurity experience, along with hands on experience supporting enterprise security technologies such as SIEM, IDS/IPS, firewalls, endpoint security, packet capture, and network visibility solutions.\nPrimary Responsibilities\nDeploy, configure, administer, upgrade, and maintain enterprise network security tools and platforms, including SIEM, firewalls, proxy servers, packet capture solutions, IDS/IPS, endpoint security, and network visibility technologies.\nMonitor the health, availability, performance, and data ingestion of cybersecurity tools to ensure continuous visibility across the enterprise environment.\nTroubleshoot and resolve security tool performance, connectivity, integration, configuration, and data collection issues.\nSupport the integration of security technologies across enterprise networks, systems, and other cybersecurity platforms.\nCollaborate with Security Operations Center teams to optimize security tools, tune detection capabilities, reduce false positives, and improve the quality of security alerts.\nProvide technical support during cybersecurity incidents and service outages, including troubleshooting issues affecting security monitoring and data collection.\nSupport the integration and automation of cybersecurity tools using scripting and orchestration technologies.\nAnalyze network and security telemetry to identify gaps, performance issues, and opportunities to improve security visibility.\nMaintain accurate technical documentation, including architecture diagrams, system configurations, runbooks, standard operating procedures, and asset inventories.\n Collaborate with cybersecurity, network, systems, and engineering teams to support the continued operation and improvement of the enterprise security infrastructure.\nBasic Qualifications\nBachelor’s degree in Computer Science, Cybersecurity, Information Technology, or a related technical discipline with 8+ years of relevant professional experience or a Master's degree with 6+ years of relevant professional experience. Equivalent practical experience may be considered in lieu of a degree, as permitted by contract requirements.\nActive TS/SCI security clearance in DISS.\nHands on experience supporting information security, network administration, cybersecurity engineering, or enterprise security tools.\nStrong understanding of networking concepts and protocols, including TCP/IP, DNS, DHCP, HTTP/S, routing, and network security architecture.\nExperience administering or supporting enterprise cybersecurity technologies such as Splunk, Microsoft Sentinel, Elastic, CrowdStrike, Palo Alto Networks, Wireshark, SteelCloud, or similar platforms.\nExperience working with network and enterprise operating systems, including Linux and Windows.\nExperience troubleshooting complex network, system, or cybersecurity tool issues.\nAbility to work effectively with technical teams in a mission critical enterprise environment.\nRequired Certifications:\nActive DoD 8570 compliant industry certification listed under CSSP Infrastructure Support such as SecurityX, CISSP, CASP, etc., or the ability to obtain the required certification within 30 days of hire.\nPreferred Qualifications\nVendor specific certifications from Cisco, Palo Alto Networks, Splunk, or similar technology providers.\nExperience with IDS/IPS, SIEM, endpoint detection and response, firewalls, packet capture, network visibility, or security orchestration technologies.\nExperience with scripting or automation using Python, PowerShell, Bash, or similar technologies.\nFamiliarity with cloud networking and security controls within AWS, Azure, or Google Cloud Platform environments.\nExperience integrating cybersecurity tools with automation or Security Orchestration, Automation, and Response platforms.\nExperience supporting cybersecurity operations or Security Operations Center environments.\nNITESONI\nDABAOPP1\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 2, 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 $107,900.00 - $195,050.00The 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":5835,"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":["Equity"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Network Security","National Security","C4ISR","Information Security"],"lifecycle":[{"event":"open","at":"2026-10-17T09:51:40Z"}],"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":4}],"liveness":{"score":68,"band":"ok","label":"Likely open","p_open":1,"p_active":0.761,"p_room":0.9,"age_days":15,"expected_fill_days":27,"reasons":["conf:0","win:mid","comp:brand"],"computed_at":"2026-10-17T21:55:21Z"},"pay":{"stated_usd_annual":195050,"is_top_pay":true},"html_url":"https://alion.io/job/leidos-network-security-tools-engineer","json_url":"https://alion.io/job/leidos-network-security-tools-engineer.json","meta":{"generated_at":"2026-10-17T21:55:21Z","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":6729,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-18T00:00:00Z"}},"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-network-security-tools-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%2Fleidos-network-security-tools-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%2Fleidos-network-security-tools-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/leidos-network-security-tools-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fleidos-network-security-tools-engineer"}]}