Network Engineer / Systems Administrator (SA) CymertekNetwork Engineer / Systems Administrator (SA)Chantilly, VirginiaNetwork Engineer, Systems Administrator, IT Infrastructure Engineer, Network Systems Administrator, Network Administrator, Systems Engineer, Cloud Systems Administrator, Network Operations Engineer, IT Support Engineer, Network Security Engineer, etc. Computer Science, Information Technology, Network Engineering, Systems Engineering, Computer Engineering, Information Systems, Cybersecurity, Electrical Engineering, Data Science, Applied Mathematics, etc.
Senior Network Engineer Revolutional, LLCSenior Network EngineerWashington, DC$155,000–$170,000 / yearWe apply modern capabilities, including AI/ML, cloud, cybersecurity, and IT modernization to solve complex challenges, enable faster and more secure operations, and drive measurable mission outcomes. We are redefining how federal technology gets built and delivered by operating with a product mindset, prioritizing speed, ownership, and execution over bureaucracy.
Senior Network Engineer CACISenior Network EngineerChantilly, VirginiaPay 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. You’ll lead onsite surveys, drive secure design development, oversee deployment execution, and ensure resilient, high‑availability connectivity that meets demanding SLAs.
NewNetwork Infrastructure Specialist CACINetwork Infrastructure SpecialistReston, Virginia$103,800–$218,100 / yearThis requisition supports multiple experience levels—from technicians and administrators responsible for day-to-day network operations to engineers and architects designing enterprise routing, switching, firewall, wireless, and cloud networking solutions. Successful candidates will collaborate across infrastructure, cybersecurity, systems engineering, and operations teams to deliver secure, resilient, and scalable network services supporting domestic and international missions.
Endpoint Systems Engineer CACIEndpoint Systems EngineerChantilly, VirginiaPay 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. Collaborate with Operations teams and Government stakeholders to refine requirements and ensure availability, reliability, resiliency, and operability of endpoint services.
Information Systems Security Engineer (ISSE) Mantis Security CorporationInformation Systems Security Engineer (ISSE)Reston, VADoD 8570 compliance with IASAE Level 3 is required• Three (3) years of experience in scripting languages, Linux/RedHat, and/or Networking AppliancesInformation Systems Security Engineering Professional (ISSEP) and CISSP Certifications are required• Active TS/SCI security clearance with the ability to obtain polygraph is required Nice to Haves :• Skilled in implementing mitigation strategies and how to resolve problems, and to re-test/ re-evaluate systems• Demonstrated experience with DISA Security Technical Implementation Guide (STIG) implementation and Security Content Automation Protocol (SCAP) tool usage• Possess a working knowledge of administrating servers, system and application security threats and vulnerabilities• Experience extending existing applications in areas such as security, monitoring, task automation, continuous integration, deployment, and performance optimization• Demonstrate writing of your own project in scripting/programming (use of Shell scripting, Python, JavaScript, PowerShell) in a Linux or Windows environment to support the various Cyber Security tools and applications required• Provide guidance on vulnerability and malware remediation.• Apply system security engineering expertise in one or more of the following to: system security design process; engineering life cycle; information domain; cross domain solutions; commercial off-the-shelf and government off-the-shelf cryptography; identification; authentication; and authorization; system integration; risk management; intrusion detection; contingency planning; incident handling; configuration control; change management; auditing; certification and accreditation process; principles of IA (confidentiality, integrity, non-repudiation, availability, and access control); and security testing.
NewSenior Network Engineer Agile DefenseSenior Network EngineerAshburn, Virginia$120,000–$140,000 / yearSoftware Defined Wide Area Networking (SD-WAN): Design, implement, and maintain an SD-WAN solution that extends the principles of software-defined networking and supports multiple network transports (e.g., Dedicated Internet Access (DIA), Broadband Internet, MPLS, 4G/LTE/5G, and satellite) at remote sites. The Senior network engineer will be the technical lead performing the following: Network Engineering & Maintenance: Configure, deploy, and support enterprise-grade switches, routers, firewalls, VPN gateways, adhere to logging baselines and load balancers across DHS operational environments.
Splunk Engineer CACISplunk EngineerMclean, Virginia$113,200–$237,800 / yearJob Title: Splunk EngineerJob Category: EngineeringTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: RegularPercentage of Travel Required: NoneType of Travel: None* * * The Opportunity: CACI is seeking a highly motivated Splunk Engineer that has 8+ years of experience managing a Splunk Platform, creating Splunk applications, and using IT Service Intelligence (ITSI). Experience scripting in the following preferred: Python, Perl, and JavaScript in relation to Splunk Apps/Add-ons, SQL for querying structured data, Knowledge of XML and JSON for data handling, Splunk Search Processing Language (SPL) for data analysis in Splunk.
Senior Microsoft Systems Engineer (SCCM/MECM) Chenega CorporationSenior Microsoft Systems Engineer (SCCM/MECM)Washington, DCChenega Agile Real-Time Solutions (CARS) is seeking a highly skilled Senior Microsoft Systems Engineer with deep expertise in Microsoft Endpoint Configuration Manager (MECM/SCCM) to lead the design, implementation, administration, and optimization of enterprise endpoint management solutions. This role will be responsible for managing large-scale Windows environments, modern device management initiatives, operating system deployment, software distribution, patch management, compliance enforcement, and endpoint security integration.
Server Adminstrator/Engineer Celestial Innovations GroupServer Adminstrator/EngineerWashington, District of ColumbiaPosition Summary Celestial Innovations Group (CIG) is seeking a skilled and motivated Server Administrator/Engineer to support the design, implementation, and maintenance of secure and resilient server infrastructure for enterprise-level environments. Work-Life Balance : We prioritize the well-being of our team members, ensuring a healthy work-life balance through flexible working conditions, continuous learning opportunities, and a supportive work environment.
NewEngineer, IAM & Endpoint Platform The Carlyle Group Employee Co.Engineer, IAM & Endpoint PlatformWashington, District of Columbia$160,000–$180,000 / yearContribute to other Enterprise Productivity Solutions workstreams as needed, including Microsoft 365 administration, broader Microsoft platform initiatives, virtual desktop solutions, and other end-user technology platforms, staying versatile across the EPS portfolio while keeping IAM and endpoints as primary focus. Design and maintain Joiner-Mover-Leaver (JML) workflows and Role-Based Access Control (RBAC) frameworks in SailPoint IdentityNow, including role mining, entitlement mapping, provisioning, access certifications, and automated deprovisioning, to enforce least-privilege access and meet regulatory requirements.
Data Storage Engineer Leidos Holdings Inc.Data Storage EngineerBethesda, MD$107,900–$195,050 / yearExtensive experience administering enterprise-level data storage systems (Dell Storage Center, Dell Compellent, and Data Domain preferred) with a demonstrated understanding of the following services and technologies. Develop and maintain engineering artifacts including architecture diagrams, low-level designs, interface documentation, data flow mappings, and implementation plans.
Cloud Cyber Engineer CACICloud Cyber EngineerSterling, Virginia$75,200–$158,100 / yearThe right candidate will understand software development, system administration, networking, and security and be able to take a holistic systems level approach to influence how we build our applications to meet the higher level security requirements associated with a system that bridges security domains, as well as someone who can help the software engineers understand zero trust architecture for a multi-releasability domain. Job Title: Cloud Cyber EngineerJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel: Continental USAnticipated Posting End: 9/30/2026 The Opportunity:
Network Administrator - Active Ts/Sci With CI Poly ENS Solutions, LLCNetwork Administrator - Active Ts/Sci With CI PolyWashington, DCENS consults for the Department of Defense (DoD) and Intelligence Community (IC) providing innovative solutions in the core competency area of Identity, Credential and Access Management (ICAM), Software Development, Cyber and Network Security, System Engineering, Program/Project Management, IT support, Solutions, and Services that yield enduring results. To ensure a fair and equitable candidate evaluation based on individual skills, knowledge, and experience, candidates are not permitted to use artificial intelligence or other assistive tools during interviews, whether in person or virtual, unless explicit permission has been granted in advance.
Network Administrator CymertekNetwork AdministratorReston, VirginiaNetwork Engineer, System Administrator, IT Administrator, Network Technician, Network Support Specialist, Infrastructure Administrator, Cloud Network Administrator, Network Operations Specialist, Network Analyst, Network Security Administrator, etc. Computer Science, Information Technology, Network Engineering, Cybersecurity, Systems Administration, Electrical Engineering, Information Systems, Telecommunications, Data Communications, Software Engineering, etc.
Systems Network Administrator I/Service Desk Support Leidos Holdings Inc.Systems Network Administrator I/Service Desk SupportLaurel, MD$59,150–$106,925 / yearOur team is at the cutting edge of Security Engineering, Computer Network Operations (CNO), Mission Software, SIGINT, and advanced analytics-delivering solutions that directly support critical national security missions. 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.
Network System Administrator CymertekNetwork System AdministratorReston, VirginiaNetwork Engineer, Systems Administrator, IT Administrator, Network Security Administrator, Infrastructure Administrator, Network Operations Specialist, Cloud Systems Administrator, Network Analyst, Systems Engineer, IT Support Specialist, etc. Computer Science, Information Technology, Network Engineering, Cybersecurity, Systems Administration, Information Systems, Electrical Engineering, Telecommunications, Data Communications, Software Engineering, etc.
Cloud Architect/Developer/Engineer CSICloud Architect/Developer/EngineerReston, VirginiaDepending on current team needs, responsibilities may include: developing cloud systems plans and strategy; implementation of enterprise infrastructure and platforms required for cloud computing; and design, development, and deployment of applications into a Cloud or Hybrid Cloud; contribute to development of security authorization documentation; represent program in design reviews and demonstrations; and mentor junior developers. Cloud: Amazon Web Services (e.g., Commercial and Government Cloud Services for DoD and IC, EMR w/Spark and RDS, EC2, EBS, S3, Route 53, RDS, VPC, ELB, CloudWatch, CloudFormation, CloudTrail, Blue Green deployment, Auto scaling, Trusted Advisor, Identity & Access Management, Simple Notation Service, Billing Console), Microsoft Azure.
Systems Network Administrator (Sna-2) Leidos Holdings Inc.Systems Network Administrator (Sna-2)Laurel, MD$92,300–$166,850 / yearThis team is at the forefront of Security Engineering, Computer Network Operations (CNO), Mission Software, SIGINT, and advanced analytics, delivering mission-critical capabilities that directly support national security. 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.
Devops Engineer Leidos Holdings Inc.Devops EngineerBethesda, MD$87,100–$157,450 / yearAdditionally, this role will help automate and streamline operations and processes; as well as build and maintain tools for deployment, monitoring and operations, and troubleshoot and resolve issues in dev, test, and production environments. Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management.