{"id":3721956,"url":"https://alion.io/job/valiant-solutions-lead-firewall-engineer","title":"Lead Firewall Engineer","company":{"id":3886861,"name":"Valiant Solutions","domain":"valiantsolutions.com","url":"https://alion.io/company/valiant-solutions","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"iCIMS","truth_index":null},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"lead","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Springfield, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":101300,"max":144800,"currency":"USD","period":"year","gross":null,"usd_annual":144800},"salary_estimate":null,"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Active Directory","optional":false},{"name":"LDAP","optional":false},{"name":"PKI","optional":false},{"name":"CMMC","optional":true}],"status":"live","first_seen_at":"2026-11-04T03:02:45Z","employer_posted_date":"2026-11-04","last_verified_at":"2026-11-07T23:42:08Z","board_verified":true,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":3},"description":"Position Description\nValiant Solutions is seeking a Lead Firewall Engineer to join our rapidly growing and innovative team!\nThe Lead Firewall Engineer will join a program providing Network and Cybersecurity services supporting an Intelligence Community customer. The team will work together to support transport and cybersecurity information technology (IT) services across multiple networks and security domains, at multiple locations worldwide, including new facilities and building construction to support the IC mission.\nNamed one of the Washington Business Journal’s Best Places to Workevery year since 2014, Valiant is proud of our employee-centric culture and commitment to excellence. If you are interested in learning more about Valiant and this opportunity, we invite you to apply now!\nLocation: Springfield, VA\nRequired Clearance: TS/SCI with the ability to obtain and maintain a CI Polygraph.\nRequired Education and Certifications:\nBS or MS degree in Computer Science, Cyber Security, Network Security, or a related field.\nS6DoD 8140.01 and DoD 8570.01-M IAT Level II compliant certification (current). \nMust be able to successfully obtain/maintain CSSP Infrastructure Support certification within 120 days.\nRequired Skills:\n8+ years of related technical experience with network security technologies, tools, and techniques.\n5+ years' experience with large-scale enterprise/global networks in a high-paced, diverse environment.\nUnderstanding and experience with the DoD Architecture Framework and other key DoD network architecture and strategic planning instructions.\nDemonstrated knowledge in planning, directing, and managing a Firewall / Boundary Security Team in an organization similar in size.\nFirewall experience within the DoW or IC.\nDemonstrated knowledge of implementation of Perimeter and Internal Firewalls (both physical and virtual contexts)\nDemonstrated advanced experience in managing baseline configurations across numerous firewalls.\nDemonstrated advanced experience in evaluating rules to ensure maximum security while minimizing redundancy and processing overhead.\nDemonstrated experience with researching and fielding new and innovative firewall technology.\nExperience with F5 platforms/technologies (APM, AFM, SSLO, etc.)\nExperience with Palo Alto platforms/technologies (Threat Prevention, Wildfire, URL Filtering, Global Protect)\nExperience with Juniper SRX platforms/technologies.\nExperience with Online Certificate Status Protocol OCSP revocation.\nFamiliar with DoD PKI, Kerberos, LDAP, Active Directory, Authentication (SAML, OAuth)\nAbility to describe and troubleshoot TLS/SSL handshake/connection issues.\nNetwork design, engineering, and implementation (Advanced Level)\nCreation of network-related Rough Order of Magnitude (ROM) equipment lists and costing, and Level of Effort (LOE) estimation for labor.\nUnderstanding of DoW, DISA, and IC standards and processes.\nAbility to work weekends and evening hours as needed.\nDesired Skills:\nJuniper JNCIS/JNCIP, Palo Alto PCNSE (or equivalent)\nF5 Network Certifications\nResponsibilities:\nServes as the focal point for all firewall tasks, operations, and projects.\nLeads, directs, and manages daily operations, troubleshooting, and maintenance activities for the NSS Boundary work center.\nDesigns, implements, and manages security solutions using F5, Juniper SRX, and Palo Alto to meet project requirements.\nEnsures systems, devices, and applications under your responsibility and span of control meet applicable STIG/SRG and organizational configuration baselines.Leads regular compliance evaluations and audits.\nDevelops, oversees, maintains, and enforces configuration management processes, Standard Operating Procedures (SOPs), and other documentation as needed/required.\n\nMonitors platform performance, logs, software version(s), and configuration drift to identify and mitigate performance, compliance, and security issues. \nDevelops and maintains network architecture diagrams, inventories, and licensing status for capabilities within the team's scope. \nProvides written reports and oral briefings to contract and government leadership.\nCoordinates with appropriate stakeholders to ensure task completion and overall customer satisfaction.\nProvides recommendations on newly submitted customer requests.\nEvaluates and reports on new/emerging network/communication technologies to enhance capacity, performance, and reliability of the network.\nEvaluates and recommends changes and/or technology upgrades to address performance, standardization, and industry best practices.\nConducts performance assessments, mentors, and coaches personnel.\nAbout Valiant Solutions\nValiant Solutions delivers cybersecurity and IT services to federal civilian, defense, and national security customers nationwide. We support the full cyber lifecycle, from secure system design and accreditation through AI-enabled operations, threat emulation, and continuous improvement, across classified and unclassified environments. Our work is independently certified for quality and security, including CMMI, CMMC, and ISO certifications.\nValiant is a multi-year Washington Business Journal Best Places to Work winner, and our growth and cyber leadership have been recognized by Washington Technology, Northern Virginia Technology Council, and the Triangle Business Journal. We offer strong benefits, rewards for earning industry certifications, and room to grow your career as we grow. Headquartered in McLean, Virginia, our distributed workforce supports customers from coast to coast. We go where the stakes are highest, and the margin for error is zero. If you want meaningful work alongside talented professionals, apply today.\nBenefits Snapshot\nValiant takes care of the people who support our customers, with real choices in coverage and real investment in your career. Eligible full-time employees receive:\nA choice of medical plans, from an affordable HSA option to a full-featured PPO, with generous company contributions\nDental and vision coverage for you and your family\nCompany-paid life, short-term disability, and long-term disability insurance\nOptional supplemental life, accident, and critical illness coverage to round out your protection\n401(k) retirement plan with company match\nPaid time off that grows with your years of service, plus paid federal holidays\nPaid certifications, professional development, and the Valiant University training portal\nFlexible spending accounts and a wellness and fitness program\nReferral bonuses when you help us bring great people to Valiant \nBenefit eligibility and plan details are subject to the terms of each plan and may change from time to time.\nThe anticipated salary range for this position is $101,300 - $144,800. This range reflects Valiant Solutions' good-faith estimate of the base salary reasonably expected for this position upon hire, at the time of posting. The range has been established based on the scope of the role, market rates, and internal equity. Where a candidate falls within the posted range will depend on job-related factors, including relevant skills, experience, qualifications, achievements, education, geographic location, applicable security clearance requirements, additional corporate responsibilities, and other legitimate, non-discriminatory business considerations. The posted range does not guarantee an offer at any particular salary. In addition to base salary, this position includes the benefits described above.\nRemote Work Policy (Remote and Hybrid Positions Only)\nRemote work necessitates a high level of trust in our employees. To ensure that employee performance does not suffer in a remote work environment, all employees who telecommute are expected to have a quiet and distraction-free workspace with adequate internet, dedicate their full attention and availability to their job duties during working hours, and maintain a schedule during core business hours that aligns with those of their coworkers and Valiant's clients. In alignment with Valiant's inclusive and engaging environment, cameras are encouraged and can be required to be on during virtual video conferences. Additionally, in alignment with the Office of the Inspector General’s effort to eliminate conflicting employment, all Valiant employees are required to disclose any current or future outside employment engagements. During onboarding and throughout employment, employees must disclose any current activities or intent to engage in outside employment or other professional activities and obtain written approval. Employees may not solicit or conduct any outside business during core business hours for Valiant Solutions and our clients.\nEqual Employment Opportunity\nValiant Solutions is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy), national origin, age, disability, genetic information, marital status, protected veteran status, or any other characteristic protected by federal, state, or local law. Valiant Solutions provides reasonable accommodations to qualified individuals with disabilities. If you need an accommodation during the application or hiring process, please contact .\nPhysical Demands\nSitting or standing at a desk for prolonged periods and consistently operating a computer. Frequent communication and exchanging of accurate information via electronic communication, phones, and in person. Occasionally lift and/or move moderate amounts of weight, typically less than 20 pounds. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions of the job.\nAuthorization to Share Resume and Personal Information\nBy submitting your resume for this position, you authorize Valiant Solutions to share your resume, as well as personal information included on the resume, with its subsidiaries, affiliates, and teaming partners for the purpose of considering you for this position and other available positions requiring comparable skills, education, and experience. Should Valiant Solutions or its affiliates and teaming partners wish to initiate pre-employment discussions, you will be asked to complete an employment application and related employment documents.","description_format":"text","description_chars":10311,"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","Professional development","Retirement plans"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Cybersecurity","Government","Information Security"],"lifecycle":[{"event":"open","at":"2026-11-04T03:02:45Z"}],"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":14,"reasons":["conf:2","velocity","win:early"],"computed_at":"2026-11-07T05:47:08Z"},"pay":{"stated_usd_annual":144800,"is_top_pay":false},"html_url":"https://alion.io/job/valiant-solutions-lead-firewall-engineer","json_url":"https://alion.io/job/valiant-solutions-lead-firewall-engineer.json","meta":{"generated_at":"2026-11-08T01:15:40Z","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":2732,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-09T00:00:00Z"}},"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":3886861},"rest":"https://alion.io/mcp/rest/get_company?id=3886861"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fvaliant-solutions-lead-firewall-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%2Fvaliant-solutions-lead-firewall-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%2Fvaliant-solutions-lead-firewall-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/valiant-solutions-lead-firewall-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fvaliant-solutions-lead-firewall-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3721956}},{"tool":"search_jobs","arguments":{"company":"valiantsolutions.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3721956},"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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