{"schemaVersion":"jobsearcher.job.v1","id":"4bafba7674158de508977708","url":"https://jobsearcher.com/jobs/4bafba7674158de508977708","canonicalUrl":"https://jobsearcher.com/jobs/4bafba7674158de508977708","title":"Senior Systems Engineer","description":"Fantom Corporation is a mission-focused organization supporting critical programs across the defense and intelligence community. We partner with our customers to deliver high-impact technical solutions while fostering a culture built on trust, expertise, and long-term career growth.\n\nWe are seeking a Senior Systems Engineer to support the administration, accreditation, and sustainment of secure enterprise infrastructure supporting mission-critical systems. This role is responsible for Windows and Linux systems engineering, virtualization, security-controlled environments, certificate management, storage administration, and Assessment & Authorization (A&A) activities.\n\nThe ideal candidate has extensive experience supporting secure enterprise Windows environments, virtualization platforms, Active Directory infrastructure, and security accreditation processes within highly secure government environments.\n\nResponsibilities\n\nDesign, administer, and maintain secure Windows and Linux server environments supporting enterprise applications\n\nManage Microsoft SQL Server databases, Active Directory Certificate Services (ADCS), Hyper‑V environments, and enterprise virtualization infrastructure\n\nSupport Assessment and Authorization (A&A) activities for security‑controlled systems, including accreditation documentation and compliance requirements\n\nAdminister Windows Server environments, virtual machine clusters, and enterprise backup and recovery solutions\n\nDevelop and maintain PowerShell automation scripts to improve system administration and operational efficiency\n\nManage enterprise certificate services for users, servers, and service accounts\n\nConfigure, administer, and troubleshoot Windows Group Policy, Windows Server Update Services (WSUS), and enterprise security settings\n\nAdminister virtualization platforms including Hyper‑V and VMware\n\nSupport secure data transfers and maintain the integrity of security‑controlled environments\n\nAdminister and maintain enterprise storage solutions, including NetApp Storage Area Networks (SANs)\n\nCollaborate with engineering, cybersecurity, and operations teams to maintain secure and highly available infrastructure\n\nTroubleshoot complex infrastructure, operating system, virtualization, and storage issues\n\nDevelop and maintain technical documentation, system procedures, and operational guidelines\n\nCross‑train team members and provide technical mentorship as needed\n\nSupport IT program management activities and enterprise infrastructure initiatives\n\nRequired Qualifications\n\nMust be fully cleared with a recent polygraph\n\nMust be willing and able to work fully onsite at the location listed in this posting\n\nDemonstrated experience with Windows systems engineering and administration\n\nExperience administering:\n\nMicrosoft SQL Server\n\nActive Directory Certificate Services (ADCS)\n\nHyper‑V virtual environments\n\nVirtual machine clusters\n\nMicrosoft Data Protection Manager\n\nPowerShell scripting\n\nExperience supporting Assessment and Authorization (A&A) processes for security‑controlled systems\n\nExperience administering Linux operating systems\n\nStrong troubleshooting and problem‑solving skills supporting enterprise infrastructure\n\nExperience supporting secure government or enterprise IT environments\n\nExcellent written and verbal communication skills\n\nDesired Qualifications\n\nExperience supporting security‑controlled systems, enterprise hardware security modules, software, and secure data architectures\n\nExperience serving as a Data Transfer Officer within secure environments\n\nExperience administering Oracle Linux systems\n\nExperience administering Cisco networking equipment and security appliances, including:\n\nCisco ASA\n\nCisco Stealthwatch\n\nCisco Tetration\n\nExperience managing NetApp Storage Area Networks (SANs)\n\nExperience managing enterprise certificate infrastructures\n\nExperience cross‑training and mentoring technical teams\n\nExperience handling sensitive information while exercising sound judgment and discretion\n\nOracle Certified Professional (OCP) Database Administrator certification\n\nExperience supporting Sponsor‑specific security‑controlled systems and architectures\n\nExperience supporting Sponsor Assessment & Authorization (A&A) processes\n\nExperience with IT Program Management and enterprise infrastructure support\n\n#CJ\n\nFantom Corp is a Software Development, Agile Cloud, Cyber Security (Risk Management, Assessments & Authorization (A&A)), Data, AI Platform (Computer Vision Models), Podcasting Media Services, and IT Services provider. Established in 2015, Fantom Corp serves Federal customers with top‑notch Cybersecurity Architects, Data Scientists/Analysts, Software Engineers/Developers, DevSecOps Engineers, Project Managers, Identity, Credential Access Management (ICAM) services , and Cloud‑certified practitioners. We excel in delivering emerging technologies such as Artificial Intelligence (AI) and Machine Learning (ML) with a focus on identifying trends, object detection, and classification of structured and unstructured data. Fantom Corp possesses mastery in all aspects of digital audio production. We lead in the ideation and creation of efforts for clients who want to harness the power of podcasting. We guide them in selecting the right show format for their needs and goals. As a Small Business, we possess the innovation, speed and flexibility to meet your requirements.\n\n#J-18808-Ljbffr","company":"Fantom","rawCompany":"fantom","city":"Brooklyn","state":"NY","isRemote":false,"isActive":true,"createdAt":"2026-08-14T03:15:17.588Z","occupations":[{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"},{"code":"15-1244.00","title":"Network and Computer Systems Administrators","slug":"network-and-computer-systems-administrators"},{"code":"15-1231.00","title":"Computer Network Support Specialists","slug":"computer-network-support-specialists"}],"industries":[{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"541519","title":"Other Computer Related Services","slug":"other-computer-related-services"},{"code":"541513","title":"Computer Facilities Management Services","slug":"computer-facilities-management-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Senior Systems Engineer","description":"Fantom Corporation is a mission-focused organization supporting critical programs across the defense and intelligence community. We partner with our customers to deliver high-impact technical solutions while fostering a culture built on trust, expertise, and long-term career growth.\n\nWe are seeking a Senior Systems Engineer to support the administration, accreditation, and sustainment of secure enterprise infrastructure supporting mission-critical systems. This role is responsible for Windows and Linux systems engineering, virtualization, security-controlled environments, certificate management, storage administration, and Assessment & Authorization (A&A) activities.\n\nThe ideal candidate has extensive experience supporting secure enterprise Windows environments, virtualization platforms, Active Directory infrastructure, and security accreditation processes within highly secure government environments.\n\nResponsibilities\n\nDesign, administer, and maintain secure Windows and Linux server environments supporting enterprise applications\n\nManage Microsoft SQL Server databases, Active Directory Certificate Services (ADCS), Hyper‑V environments, and enterprise virtualization infrastructure\n\nSupport Assessment and Authorization (A&A) activities for security‑controlled systems, including accreditation documentation and compliance requirements\n\nAdminister Windows Server environments, virtual machine clusters, and enterprise backup and recovery solutions\n\nDevelop and maintain PowerShell automation scripts to improve system administration and operational efficiency\n\nManage enterprise certificate services for users, servers, and service accounts\n\nConfigure, administer, and troubleshoot Windows Group Policy, Windows Server Update Services (WSUS), and enterprise security settings\n\nAdminister virtualization platforms including Hyper‑V and VMware\n\nSupport secure data transfers and maintain the integrity of security‑controlled environments\n\nAdminister and maintain enterprise storage solutions, including NetApp Storage Area Networks (SANs)\n\nCollaborate with engineering, cybersecurity, and operations teams to maintain secure and highly available infrastructure\n\nTroubleshoot complex infrastructure, operating system, virtualization, and storage issues\n\nDevelop and maintain technical documentation, system procedures, and operational guidelines\n\nCross‑train team members and provide technical mentorship as needed\n\nSupport IT program management activities and enterprise infrastructure initiatives\n\nRequired Qualifications\n\nMust be fully cleared with a recent polygraph\n\nMust be willing and able to work fully onsite at the location listed in this posting\n\nDemonstrated experience with Windows systems engineering and administration\n\nExperience administering:\n\nMicrosoft SQL Server\n\nActive Directory Certificate Services (ADCS)\n\nHyper‑V virtual environments\n\nVirtual machine clusters\n\nMicrosoft Data Protection Manager\n\nPowerShell scripting\n\nExperience supporting Assessment and Authorization (A&A) processes for security‑controlled systems\n\nExperience administering Linux operating systems\n\nStrong troubleshooting and problem‑solving skills supporting enterprise infrastructure\n\nExperience supporting secure government or enterprise IT environments\n\nExcellent written and verbal communication skills\n\nDesired Qualifications\n\nExperience supporting security‑controlled systems, enterprise hardware security modules, software, and secure data architectures\n\nExperience serving as a Data Transfer Officer within secure environments\n\nExperience administering Oracle Linux systems\n\nExperience administering Cisco networking equipment and security appliances, including:\n\nCisco ASA\n\nCisco Stealthwatch\n\nCisco Tetration\n\nExperience managing NetApp Storage Area Networks (SANs)\n\nExperience managing enterprise certificate infrastructures\n\nExperience cross‑training and mentoring technical teams\n\nExperience handling sensitive information while exercising sound judgment and discretion\n\nOracle Certified Professional (OCP) Database Administrator certification\n\nExperience supporting Sponsor‑specific security‑controlled systems and architectures\n\nExperience supporting Sponsor Assessment & Authorization (A&A) processes\n\nExperience with IT Program Management and enterprise infrastructure support\n\n#CJ\n\nFantom Corp is a Software Development, Agile Cloud, Cyber Security (Risk Management, Assessments & Authorization (A&A)), Data, AI Platform (Computer Vision Models), Podcasting Media Services, and IT Services provider. Established in 2015, Fantom Corp serves Federal customers with top‑notch Cybersecurity Architects, Data Scientists/Analysts, Software Engineers/Developers, DevSecOps Engineers, Project Managers, Identity, Credential Access Management (ICAM) services , and Cloud‑certified practitioners. We excel in delivering emerging technologies such as Artificial Intelligence (AI) and Machine Learning (ML) with a focus on identifying trends, object detection, and classification of structured and unstructured data. Fantom Corp possesses mastery in all aspects of digital audio production. We lead in the ideation and creation of efforts for clients who want to harness the power of podcasting. We guide them in selecting the right show format for their needs and goals. As a Small Business, we possess the innovation, speed and flexibility to meet your requirements.\n\n#J-18808-Ljbffr","datePosted":"2026-08-14T03:15:17.588Z","dateModified":"2026-08-14T03:15:17.588Z","hiringOrganization":{"@type":"Organization","name":"Fantom","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Brooklyn","addressRegion":"NY","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"4bafba7674158de508977708"},"url":"https://jobsearcher.com/jobs/4bafba7674158de508977708"}}