Senior Systems/ Infrastructure Engineer

{
  "added": [
    "Compensation Details: $150,000 - $180,000 The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued.",
    "Original Posting: 10/09/2026 - Until Filled Amentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting."
  ],
  "removed": [
    "Compensation Details: $140,000 - $160,000 The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued.",
    "Original Posting: 10/07/2026 - Until Filled Amentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting."
  ]
}

{
  "added": [
    "Original Posting: 10/07/2026 - Until Filled Amentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting."
  ],
  "removed": [
    "Original Posting: 09/23/2026 - Until Filled Amentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting."
  ]
}

{
  "added": [
    "Original Posting: 09/23/2026 - Until Filled Amentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting."
  ],
  "removed": [
    "Original Posting: 08/19/2026 - Until Filled Amentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting."
  ]
}

{
  "added": [
    "Original Posting: 08/19/2026 - Until Filled Amentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting."
  ],
  "removed": [
    "Original Posting: 08/07/2026 - Until Filled Amentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting."
  ]
}

{
  "added": [
    "Amentum is seeking a highly experienced Senior Systems/Infrastructure Engineer with advanced technical expertise supporting complex enterprise environments to join our team and support our McLean, VA customer.",
    "We are looking for team members who are passionate about making a difference by working on critical efforts we manage as a premier government contractor.",
    "Here at Amentum, we are purpose-driven with a fierce commitment to deliver on our promises.",
    "We create trailblazing solutions, have unwavering integrity, and embrace inclusion and collaboration.",
    "Our team is excited to help customers solve todays and tomorrow’s problems, giving confidence and reassurance that together we’ll accomplish mission success.",
    "Must possess and maintain a TS/SCI with Polygraph government security clearance.",
    "Note: U.S.",
    "citizenship is required to maintain a TS/SCI with Polygraph clearance.",
    "Purpose/ Scope: The ideal candidate must have advanced systems engineering experience in a Microsoft-based infrastructure, with high-level experience in Microsoft SQL Server, Microsoft Exchange, Active Directory, enterprise backup solutions, and Cisco networking.",
    "This position requires a senior-level technical professional capable of designing, implementing, maintaining, securing, documenting, and troubleshooting mission-critical systems in a highly regulated enterprise or government environment.",
    "Essential Responsibilities: Designing, implementing, maintaining, and supporting enterprise Microsoft infrastructure.",
    "Administering and troubleshooting Active Directory, Exchange, SQL Server, backup platforms, and Cisco network infrastructure.",
    "Creating secure system baseline configurations and maintaining compliance requirements through technical assessments, auditing, and continuous monitoring Documentation generation of processes and system artifacts for internal and customer review.",
    "Managing enterprise patching and system maintenance activities and supporting vulnerability remediation (POA&Ms) and risk reduction efforts Supporting disaster recovery and business continuity planning through backups and restores Mentoring junior administrators and engineers and serving as senior technical escalation resource for complex infrastructure problems Coordinating with cybersecurity, networking, database, server, and management teams.",
    "Ensuring infrastructure remains secure, available, properly documented, and compliant.",
    "Required Technical Experience: Microsoft Infrastructure Engineering : Candidate must have advanced experience with engineering, administering, securing, and troubleshooting Microsoft enterprise (Windows 10/11 and Server 2019/2022, Exchange, MS SQL) in both physical and virtualized environments.",
    "Candidate must be able to design, maintain, and support secure Microsoft environments using Group Policy Management, WSUS deployment, scripting and automation to hardened STIGs for compliance requirements in supporting mission-critical operations.",
    "Active Directory : Candidate must possess expert-level knowledge of Active Directory Domain Services.",
    "Mastery working with forest and domain architecture, administration of Domain Controllers, OU and GPOs, DNS integration with AD with AD replication, backup, and recovery, trust relationships and PKI/certificate services.",
    "Candidate must be capable of troubleshooting complex replication, authentication, permission, GPO, and domain controller issues.",
    "Microsoft Exchange : Candidate must have advanced experience in engineering, administering, maintaining, and supporting a Microsoft Exchange 2019 environment with securing, patching, and performing backup/recovery.",
    "Candidate must be able to troubleshoot complex messaging issues, database health issues, mail flow problems, and Exchange service outages.",
    "Microsoft SQL Server : Candidate must have high-level SQL Server administration and engineering experience in a Microsoft SQL Server 2019/2022 environment.",
    "Responsible for the installation, configuration (including security compliance and access permissions), maintenance updates, optimization & tuning, and report generation/monitoring.",
    "Candidate must be able to support mission-critical SQL environments and troubleshoot performance, connectivity, perform backups & restores, and other database availability issues.",
    "Enterprise Backup and Recovery: Candidate must have advanced experience with enterprise backup and disaster recovery solutions with the design, configuration, scheduling, validation, and restore/recovery for both physical & virtual machines and application software (Exchange, SQL) Candidate must be capable of ensuring critical systems are properly backed up, recoverable, and tested in accordance with organizational requirements.",
    "Cisco Networking and General Networking : Candidate must have high-level networking experience with strong Cisco administration skills with network segmentation, VLANs, VPN, ACLs, routing/switching, port security, and firewalls.",
    "Candidate must be able to troubleshoot network connectivity, routing, switching, DNS, DHCP, segmentation, and performance issues across enterprise environments.",
    "Additional core technical competencies for this position requires experience with virtualization (ex.",
    "Hyper-V, VMware), security hardening (ex.",
    "NIST 800-53, RMF, STIGs), patch management & deployment (ex.",
    "WSUS, SCCM), vulnerability management & remediation (ex.",
    "Rapid7, Nessus, POA&M), compliance reporting & auditing , and documentation & artifact generation/management (ex.",
    "SOP, SSP, change control, etc.) Minimum Requirements: Minimum 10+ years of enterprise IT infrastructure experience .",
    "Minimum 7+ years of systems engineering experience in a Microsoft enterprise environment.",
    "Advanced experience supporting large-scale server, workstation, database, messaging, backup, and network environments.",
    "Strong understanding of cybersecurity, system hardening, compliance, audit readiness, and vulnerability management.",
    "Ability to work independently as a senior technical escalation resource.",
    "Strong written and verbal communication skills.",
    "Ability to create professional technical documentation, reports, system diagrams, procedures, and audit artifacts.",
    "Must possess and maintain a TS/SCI with Polygraph government security clearance.",
    "Note: U.S.",
    "citizenship is required to maintain a TS/SCI with Polygraph clearance.",
    "Preferred Qualifications: BA/BS Degree Microsoft Certified Systems Engineer Cisco CCNA/P Must have a Top-Secret Clearance with polygraph Must be able to read, speak, write, and understand the English language Excellent oral and written communication skills Ability to interact and relay security technical requirements at all levels of leadership and workforce Ability to work both independently and as a member of a team Work Environment, Physical Demands, and Mental Demands: Typical office environment with no unusual hazards, occasional lifting to 20 pounds, constant sitting while using the computer terminal, constant use of sight abilities while reviewing documents, constant use of speech/hearing abilities for communication, constant mental alertness, must possess planning/organizing skills, and must be able to work under deadlines.",
    "Each employee must read and understand his/her Quality Management and Customer Satisfaction responsibilities Procedure Compliance - Each employee must read, understand and implement the general and specific operational, safety, quality and environmental requirements of all plans, procedures and policies pertaining to his/her job.",
    "Compensation Details: $140,000 - $160,000 The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued.",
    "Original Posting: 08/07/2026 - Until Filled Amentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting."
  ],
  "removed": [
    "Amentum is looking for a Senior Systems Administrator to join our team in McLean, VA !",
    "As the Senior Systems Administrator , you will monitor and maintain corporate communication systems related to email and messaging; troubleshoot hardware, software, and network problems pertaining to the operation of Microsoft Exchange Servers in a Windows Active Directory environment; and oversee the status of issues related to messaging systems with the corporation and ensure that issues are resolved, documented, and closed in a timely manner.",
    "Must have an Active Top Secret/SCI US Government clearance.",
    "Note: US Citizenship is required to maintain a Top Secret/SCI clearance.",
    "MAJOR DUTIES AND RESPONSIBILITIES: Serves as Microsoft Exchange Email Administrator, responsible for the design, specification, testing, and implementing of Microsoft Exchange Servers and resolves Exchange email system problems as required.",
    "Responsible for identifying, specifying, designing, testing, and implementing new Microsoft Exchange Servers computer technologies, including PC hardware, software, operating system (OS), and related peripherals.",
    "Determines when server, software, and OS upgrades are required and ensures that all upgrades are completed as scheduled, and that appropriate documentation exists prior to implementation.",
    "Knowledge of building server from start to finish to include (VM) Virtual Machines plus hardware Monitors Microsoft Exchange systems to facilitate proper performance and performs diagnostics as needed.",
    "Develops, implements, and documents configuration standards, policies, and procedures for operating, managing, and ensuring the security of Microsoft Exchange server ADS environment.",
    "Recommends appropriate actions on proposed Microsoft Exchange ADS projects regarding cost-effectiveness of proposed systems and preferred approaches; offers technical solutions to ensure success of projects, the security of the IT environment, and the efficient use of IT and human resources.",
    "Ensures the rigorous application of internal and external information security/information assurance policies, principles, and practices.",
    "Maintains effective relationship with appropriate vendors and acts as principal coordinator among various vendors to resolve Exchange-related problems.",
    "This may involve the design, construction, and execution of complex system tests to identify causes of system degradation and to fix responsibility to specific vendor or vendors.",
    "Evaluates Commercial Off-The-Shelf (COTS) software to support Microsoft Exchange server; evaluates automation tools as well as special purpose tool as required.",
    "Provides general assistance, advice, and critiques to various IT users and management personnel regarding such matters as new or improved Microsoft Exchange system design, testing, and implementing techniques, documentation adequacy, user acceptance testing, and application efficiency/integrity.",
    "Serves as technical liaison on matter relating to the Microsoft Exchange ADS environment.",
    "Perform all other position related duties as assigned or requested.",
    "MINIMUM REQUIREMENTS: Bachelor’s degree in computer science, Information Systems, Engineering or equivalent in a related field required.",
    "Must have a minimum of six years of related experience.",
    "Must have thorough understanding of Exchange 5.5/2000/2003.",
    "Experience in administering Exchange servers including installation, back-up, and troubleshooting.",
    "Experience with Windows Server NT/2000/2003 and Active Directory Services.",
    "Experience with Identity Management Server; knowledge of systems management, performance tuning, and monitoring tools, Backup, Restore, and disaster Recovery planning.",
    "Experience building a server (hardware) from scratch to operation Skilled in upgrading from Exchange 5.5 to Exchange 2000/2003.",
    "Experience with Lagato, Veritas, or similar products; knowledge of anti-virus strategies.",
    "Must be able to troubleshoot software and hardware problems, through understanding of industry standards and the ability to work with diverse workforce.",
    "Knowledge of project management principles is highly desirable.",
    "Strong verbal and written communication skills; must be organized and detail oriented.",
    "Must be a team player and have the ability to interact with all levels of an organization in a professional, diplomatic, and tactful manner.",
    "Must have an Active Top Secret/SCI US Government clearance.",
    "Note: US Citizenship is required to maintain a Top Secret/SCI clearance.",
    "PREFERRED QUALIFICATIONS: MCP, MCSE, MCSA certification is highly desirable.",
    "Work Environment, Physical Demands, and Mental Demands: Typical office environment with no unusual hazards, occasional lifting to 20 pounds, constant sitting while using the computer terminal, constant use of sight abilities while reviewing documents, constant use of speech/hearing abilities for communication, and constant mental alertness; must possess planning/organizing skills and be able to work under deadlines.",
    "Individual will perform most of his/her functions from the Network Administration Office where the network servers are located.",
    "Individual will be required to access all network workstations for software and configuration upgrades, troubleshooting, repair, and modifications.",
    "Occasionally, individual will also install, replace, or repair transmission media, requiring his/her access to internal wall and false ceiling wiring.",
    "Each employee must read and understand his/her Quality Management and Customer Satisfaction responsibilities.",
    "Procedure Compliance - Each employee must read, understand and implement the general and specific operational, safety, quality and environmental requirements of all plans, procedures and policies pertaining to his/her job.",
    "Compensation Details: $101,343 - $150,000 The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued.",
    "Original Posting: 08/05/2026 - Until Filled Amentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting."
  ]
}