SITEC - ServiceNow Systems Engineer - MacDill AFB

ResponsibilitiesPeraton requires Systems Engineers to support the Special Operation Command Information Technology Enterprise Contract (SITEC) – 3 EOM.  This position is located at MacDill AFB in Florida.   The purpose of the Special Operations Forces Information Technology Enterprise Contract (SITEC) 3 Enterprise Operations and Maintenance (EOM) Task Order (TO) is to provide USSOCOM, its Component Commands, its Theater Special Operations Commands (TSOCs), and its deployed forces with Operations and Maintenance (O&M) services to maintain Network Operations (NetOps); maintain systems and network infrastructure; provide end user and common device support; provide configuration, change, license, and asset management; conduct training, and perform Install, Move, Add, Change (IMACs) services. The responsibilities and tasks associated with each requirement play a pivotal role to USSOCOM, the CIO/J6 organization, and ultimately the end-user who operate around the globe 24x7x365.  Design, engineer, deploy, and sustain ServiceNow Discovery and Service Mapping to automate CI population across on-premises and air-gapped enclaves supporting the accredited environment.Maintain MID Server infrastructure - including clustering, load balancing, and placement across network segments and security enclaves - to ensure reliable, authorized coverage of the discoverable estate.Configure and maintain Discovery schedules, behaviors, probes, sensors, and patterns for horizontal discovery of servers, network devices, storage, load balancers, and virtualization/hypervisor platforms.Develop, extend, and troubleshoot Discovery patterns using Pattern Designer to support non-standard, legacy, and mission-specific infrastructure not covered by out-of-the-box content.Implement top-down Service Mapping (pattern-, tag-, and traffic-based) to build application service maps and accurately capture upstream and downstream dependencies.Manage secure credential handling through the ServiceNow Credential and External Credential Store (e.g., CyberArk), enforcing least-privilege access and DoD security requirements for discovery scanning.Tune the Identification and Reconciliation Engine (IRE), CI identifiers, and reconciliation rules so that Discovery serves as an authoritative source and duplicate or orphaned CIs are prevented at the point of entry.Diagnose and resolve Discovery faults, including ECC queue backlogs, probe/sensor and pattern operation failures, port/protocol and firewall issues, and MID Server connectivity or capacity problems.Align discovered CI classes, relationships, and dependencies to the ServiceNow Common Service Data Model (CSDM) across the Foundation, Design, Manage, and Technical Services domains as applicable.Integrate additional authoritative and third-party data sources through import sets, IntegrationHub, and Service Graph Connectors, reconciling all inputs into a single trusted CI record via IRE.Establish, monitor, and report Discovery coverage, schedule performance, and resulting CMDB Health outcomes; drive systemic root-cause fixes rather than record-level corrections.Support Authority to Operate (ATO) and Risk Management Framework (RMF) activities by ensuring Discovery output accurately reflects the accredited system boundary and that MID Servers and credentials satisfy applicable security controls.Partner with Change and Configuration Management to validate that discovered relationships and impact analysis are accurate before changes are approved.Produce and maintain Discovery design documentation, architecture diagrams, runbooks, standard operating procedures, and work instructions.QualificationsRequired Qualifications:Min 12 years with HS degree, 10 years with AS/AA degree, 8 years with BS/BA, 6 years with MS/MA, 3 years with PhDDoD 8570 IAT II Certification Must be DoW 8140 compliant under the Work Role Code 451 – System Administrator - Intermediate level or higher DoD SECRET clearance with the ability to obtain TS/SCI clearanceExpertise in MID Servers, Discovery schedules, probes, sensors, patterns, and Service Mapping.Strong expertise in IRE, CI identification, reconciliation, and de-duplication.Experience securing and operating Discovery in segmented and air-gapped networks.Expertise applying CSDM to map infrastructure, application services, and business services.Experience integrating third-party data sources using Import Sets, IntegrationHub, and Service Graph Connectors.Experience supporting Change and Configuration Management, relationship accuracy, and impact analysis.Strong documentation, mentoring, and compliance reporting skills.Desired Qualifications:3 years of IT experience, including working directly with ServiceNow Discovery, Service Mapping, and the CMDB.Working knowledge of ServiceNow ITOM fundamentals: MID Servers, ECC queue, probes/sensors, patterns, Discovery schedules, IRE, and CMDB Health.Hands-on scripting for custom probes, sensors, and pattern operations (JavaScript), with a working understanding of PowerShell and shell/SSH for host interrogation.Familiarity with the Common Service Data Model (CSDM) and Service Mapping concepts.ITIL 4 Foundation certification and ServiceNow CMDB/Discovery fundamentals, plus a solid grasp of the Configuration Management process.Strong analytical and troubleshooting skills Experience with on-premises or air-gapped ServiceNow deployments ServiceNow certifications such as CSA, CIS-Discovery, or CIS-ITOM.Experience with cloud and virtualization discovery (e.g., VMware, AWS, Azure) and container/Kubernetes discovery.Familiarity with ITAM, SAM, and HAMPeraton OverviewPeraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can’t be done by solving the most daunting challenges facing our customers. Visit peraton.com to learn how we’re keeping people around the world safe and secure.Target Salary Range$104,000 - $166,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual’s experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay.EEOEEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.Job SummaryRequisition ID: 2026-171851Position Category: EngineeringClearance: Top Secret/SCI