Lead Sales Engineer (Xscale) Equinix, Inc.Lead Sales Engineer (Xscale)Ashburn, VAThe Lead Sales Engineer (xScale) will serve as the primary technical advisor for hyperscale customers, partnering with some of the world's largest cloud, AI, and digital infrastructure providers to design, scale, and optimize mission-critical data center deployments. As a trusted customer-facing expert, the role conducts technical site tours, infrastructure assessments, and executive briefings while translating complex technical concepts into strategic business value and coordinating large-scale opportunities across regions and functions.
Information System Security Engineer (ISSE) PeratonInformation System Security Engineer (ISSE)Annapolis Junction, Maryland$146,000–$234,000 / yearFull timeImplements security systems by specifying intrusion detection methodologies and equipment; directing equipment and software installation and calibration; preparing preventive and reactive measures; creating, transmitting, and maintaining keys; providing technical support; completing documentation. Experience administrating, configuring, and troubleshooting core modules such as Enterprise Password Vault (EPV), Password Vault Web Access (PVWA), Central Policy Manager (CPM), and Privileged Session Manager (PSM) in CyberArk.
Virtual Desktop Systems Engineer PeratonVirtual Desktop Systems EngineerWashington, D.C.$112,000–$179,000 / yearFull timePeraton is seeking an experienced systems Virtual Desktop Systems Engineer to join our national intelligence program that delivers engineering, application development, deployment, operations, upgrades and sustainment of products and services to achieve our client’s global missions. Minimum of 8 years relevant experience with bachelor’s degree ; Minimum of 6 years with master’s degree ; Minimum of 3 years with PhD or 12+ years of relevant work experience can be used in lieu of a degree .
Senior VMware Engineer PeratonSenior VMware EngineerWashington, D.C.$135,000–$216,000 / yearFull timeThe ideal candidate will serve as a technical lead responsible for the architecture, deployment, administration, optimization, and sustainment of highly secure VMware virtualized environments operating within classified infrastructures and SCIF environments. This role requires deep expertise in VMware vSphere, enterprise virtualization, infrastructure engineering, cluster design, and performance optimization across Dell and Nutanix platforms.
Information Systems Security Engineer (ISSE) PeratonInformation Systems Security Engineer (ISSE)Washington, D.C.$104,000–$166,000 / yearFull timeResponsibilities: Peraton is seeking an Information Systems Security Engineer (ISSE) to support our customer onsite in Washington D.C. Responsibilities include: Design, implement, and maintain enterprise security architectures aligned with NIST RMF, DoD STIGs, CIS benchmarks, and organizational cybersecurity policies. Experience administrating, configuring, and troubleshooting core modules such as Enterprise Password Vault (EPV), Password Vault Web Access (PVWA), Central Policy Manager (CPM), and Privileged Session Manager (PSM) in CyberArk.
Site Reliability Engineer (Remote) KnexusSite Reliability Engineer (Remote)Vienna, VARemoteFull timeA Google Cloud Professional certification, such as Professional Cloud Architect, Professional Cloud Security Engineer, or Professional Cloud Network Engineer is highly desired (or the willingness to obtain one after hire).Must be a U.S. citizen and eligible to obtain a U.S. government security clearance. We're seeking a skilled and proactive Site Reliability Engineer to join our team, ensuring the stability, security, and efficiency of our technological resources as we deliver cutting-edge AI solutions to the government.
Satcom Engineer III CACI International Inc.Satcom Engineer IIIMt. Weather, VA$86,600–$181,800 / yearThe OpportunityTeam CACI has an exciting and challenging opportunity available for a Network Engineer supporting an Intelligence Community customer's wide-area (WAN), local-area (LAN) and campus-area (CAN) networks across multiple security domains. Pay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications.
Cyber Security Development Engineer - JobID-0255 Innovative Defense TechnologiesCyber Security Development Engineer - JobID-0255Arlington, Virginia$90,000–$184,000 / yearThe Cyber Security Development Engineer is a highly technical role focused on ensuring the security and resilience of our software and systems and will be responsible for designing, building, and maintaining secure systems, applications, and infrastructure to protect against cyber threats. About The Role: Innovative Defense Technologies (IDT), a leading defense technology company, is seeking a Cyber Security Development Engineer to be part of our Advanced Capabilities team and based out of our Arlington, VA location.
Control Systems Engineer LeidosControl Systems EngineerSpringfield, Virginia$73,450–$132,775 / yearMay 1, 2026 For 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. 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.
Cloud Engineer Booz Allen Hamilton Inc.Cloud EngineerFort Meade, MD$69,400–$158,000 / yearYou Have: 2+ years of experience with cloud infrastructure, including AWS, networking, storage, memory, compute instances, or tools for DevOps such as automating builds in Kubernetes, Helm, Docker, cloud formation, regression testing, monitoring, and pushing releases across environments. Onsite: If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role.
Elastic Search Engineer LeidosElastic Search EngineerBethesda, MarylandWe leverage cloud-based computing, artificial intelligence (Al), machine learning (ML) and cross-domain transfer systems to provide cutting edge data exploitation, enrichment, triage, and analytics capabilities to Defense and Intelligence Community members. July 17, 2026 For 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.
Information System Security Engineer Booz Allen HamiltonInformation System Security EngineerMcLean, VirginiaOnsite : If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role. This role ensures security requirements are integrated into system architectures, designs, development, testing, and sustainment activities, and supports accreditation under the Risk Management Framework (RMF) and JSIG.
PKI Engineer, Senior Booz Allen HamiltonPKI Engineer, SeniorLaurel, MarylandOnsite : If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role. Salary at Booz Allen is determined by various factors, including but not limited to location, the individual’s particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements.
Site Reliability Engineer Booz Allen HamiltonSite Reliability EngineerChantilly, VirginiaOnsite : If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role. Salary at Booz Allen is determined by various factors, including but not limited to location, the individual’s particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements.
Security Engineer, Vulnerability Management (Acas/Tenable.Sc) - Secret Clearance PGTEKSecurity Engineer, Vulnerability Management (Acas/Tenable.Sc) - Secret ClearanceFort Meade, MD$130,000–$160,000 / yearPGTEK is seeking a Security Engineer, Vulnerability Management with a Secret clearance (or higher) to administer and optimize our Tenable.sc/ACAS environment, drive vulnerability remediation across enterprise systems, and support compliance with DoD STIG and RMF requirements. The ideal candidate will have experience working in a DoD or federal environment and be comfortable managing vulnerability scanning and remediation across complex enterprise environments.
Infrastructure Security Engineer SpaceXAIInfrastructure Security EngineerWashington, DC$100,000–$258,000 / yearThis role focuses on securing critical infrastructure across multi-cloud and hybrid environments, with work that may span platforms such as SpaceXAI, X Social, X Money and related systems. Experience with observability and security operations tooling (e.g., Prometheus, Grafana, CloudWatch, Karma; SIEM platforms such as Wazuh).
Security Engineer, Vulnerability Management (ACAS/Tenable.sc) - Secret clearance PGTEKSecurity Engineer, Vulnerability Management (ACAS/Tenable.sc) - Secret clearanceFort Meade, MD$130,000–$160,000PGTEK is seeking a Security Engineer, Vulnerability Management with a Secret clearance (or higher) to administer and optimize our Tenable.sc/ACAS environment, drive vulnerability remediation across enterprise systems, and support compliance with DoD STIG and RMF requirements. The ideal candidate will have experience working in a DoD or federal environment and be comfortable managing vulnerability scanning and remediation across complex enterprise environments.
Can/Lan Network Tier 3 CACI International Inc.Can/Lan Network Tier 3Sterling, VA$120,800–$265,800 / yearProvide transition planning and support services that accelerate delivery timelines, reduce operational risk and ensure service continuity during transition including migration of users from existing service platforms to new service offerings and transition of services into operations. Pay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications.
Can/Lan Network Lead CACI International Inc.Can/Lan Network LeadSterling, VA$120,800–$265,800 / yearWork with architects and engineers to design, implement, and maintain CAN/LAN network solutions tailored to organizational needs, while working closely with other network teams to ensure seamless operations including the WAN Team, Firewall Team, and Network Management Team. Provide transition planning and support services that accelerate delivery timelines, reduce operational risk and ensure service continuity during transition including migration of users from existing service platforms to new service offerings and transition of services into operations.
Senior Systems Engineer (IT Infrastructure) AvintSenior Systems Engineer (IT Infrastructure)Tysons, VABachelor’s Degree in Systems Engineering, Electrical Engineering, Mechanical Engineering, Computer Science, or related engineering discipline. As part of a high-performing engineering team, you will contribute to building and sustaining resilient, secure, and scalable systems that meet stringent government requirements.