SOFTWARE ENGINEER - HPC/Linux - 5+ yrs of Experience - TS/SCI w/Poly clearance is required - ID - 504 Halogen Engineering GroupSOFTWARE ENGINEER - HPC/Linux - 5+ yrs of Experience - TS/SCI w/Poly clearance is required - ID - 504Annapolis Junction, Annapolis JunctionProvides specific input to the software components of system design to include hardware/software trade-offs, software reuse, use of Open Source Software (OSS) and/or Commercial OffÂThe-Shelf (COTS) Government Off-The-Shelf (GOTS) software in place of new development, and requirements analysis and synthesis from system level to individual software components. These systems might include, but are not limited to, processing intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, business management information systems, and systems which incorporate data repositories, data transport services, and application and systems development and monitoring.
Customer Engineer, National Security Google LLCCustomer Engineer, National SecurityWashington D.C., DCShare in-depth enterprise infrastructure modernization expertise to support the technical relationship with customers, including technology advocacy, supporting bid responses, product and solution briefings, proof-of-concept work, and partnering directly with product management to prioritize solutions impacting customer adoption to Google Cloud. We focus on helping United States public sector institutions accelerate their digital transformations, and we continue to make significant investments and grow our team to meet the complex needs of local, state and federal government and educational institutions.
Principal Data Center Infrastructure Engineer (VMware Engineer) Quadrant IncPrincipal Data Center Infrastructure Engineer (VMware Engineer)Washington, DCDemonstrated experience ensuring the reliability, scalability, and efficiency of data center operations, including servers, storage, networking, power, and environmental resource requirements. Use enterprise data center technologies to manage and operate servers, storage, networking, and power systems supporting mission-critical environments within the federal government.
Deployment Pod Lead Data Center PeopleNTech LLCDeployment Pod Lead Data CenterAlexandria, VAThe Deployment Pod Lead – Data Center is responsible for leading a cross functional deployment pod and delivering end to end data center deployment activities. Execute physical and logical deployment of data center infrastructure including servers, networking, storage, cabling, and platform layers.
Data Architect OpenDataJobsData ArchitectWashington, District of ColumbiaWe are a data and technology innovation hub and a Benefit Corporation working at the center of the federal government's mission to deliver for client stakeholders and the US public, looking for highly motivated contributors who thrive when trusted to own a hard problem and equipped to deliver the solution. Peregrine Advisors is a firm founded on a simple conviction: the best solutions come from the people closest to the problem, given real ownership and the tools to deliver.
Software Engineer III ProsyncSoftware Engineer IIIAnnapolis Junction, MarylandProvides specific input to the software components of system design to include hardware/software trade-offs, software reuse, use of Open Source Software (OSS) and/or Commercial OffThe-Shelf (COTS) Government Off-The-Shelf (GOTS) software in place of new development, and requirements analysis and synthesis from system level to individual software components. These systems might include, but are not limited to, processing intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, business management information systems, and systems which incorporate data repositories, data transport services, and application and systems development and monitoring.
Senior Microgrid Controls Engineer Eaton Corporation PlcSenior Microgrid Controls EngineerMD$86,000–$126,000 / yearWhat you'll do: As part of our Microgrid Controls Team, you will design, develop, test, implement and commission Microgrid Control solutions consisting of Solar Photovoltaic (PV), Battery Energy Storage Systems (BESS), Diesel/Natural Gas and Generators for our customers, using Automation Controllers, HMI's, Multi-function Protection Relays, and Data Concentrators from all major OEM's. After making a conditional offer and running a background check, if Eaton is concerned about conviction that is directly related to the job, you will be given the chance to explain the circumstances surrounding the conviction, provide mitigating evidence, or challenge the accuracy of the background report.
Senior Data Scientist Leidos Holdings IncSenior Data ScientistAlexandria, VA$131,300–$237,350 / yearWork with diverse data types (structured, unstructured, open source, digital media) and leverage modern tools such as Python, PyTorch, Scikit-learn, LLM frameworks, and geospatial analytics platforms. Familiarity with Azure/C2S, hardware platforms (CPUs, GPUs, FPGAs), and advanced analytical methodologies (social network analysis, supply chain analysis, NLP, classification algorithms, image processing).
NewData Analyst Leidos Holdings IncData AnalystOdenton, MD$59,150–$106,925 / yearBe the go-to intelligence source for national defense decisions - Rapidly hunt down, connect, and synthesize NC3 data scattered across multiple documents, databases, networks, and classified storage environments to answer high-stakes queries from senior government and mission-partner customers who count on you for the definitive answer. You will support the development of Fit-For-Purpose enterprise level architecture viewpoints through Model-Based Systems Engineering (MBSE) based on Authoritative Source of Truth (ASoT) to support engineering analysis and data-driven decision-making by senior leaders that enables the modernization and evolution of NC3 capabilities.
Power Engineer – Grid-Scale Energy Integration EccalonPower Engineer – Grid-Scale Energy IntegrationHanover, MarylandThis individual will be responsible for designing and optimizing infrastructure that enables solar and other distributed energy sources to charge battery systems, which in turn supply resilient and efficient power to data centers and the broader electric grid. The ideal candidate will be a forward-thinking electrical engineer with a strong understanding of renewable energy systems, battery storage technologies, and data center power architecture.
Cloud Engineer Ang SignalCloud EngineerWashington, District of ColumbiaAlongside a team of cloud and network engineers, the candidate will engage with line and program offices in a solutions architecture capacity, perform design and proof of concept work, deploy new services for customers, and support the operational Cloud environment. Participate in building and supporting an Azure landing zone that will provide security and routing services from hub VNETs with IaaS-based firewalls managing traffic between VNETs and ExpressRoutes.
Cyber Data Analyst StratAcuity Staffing Partners IncCyber Data AnalystAlexandria, VAIn terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Everforth Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts.
Sr. Database Developer (Oracle, PL/SQL, Web Technologies & Data Migration) CDITSr. Database Developer (Oracle, PL/SQL, Web Technologies & Data Migration)Annapolis Junction, MarylandAbility to perform light Unix administration, including user access management, access lists and permissions, log analysis, system performance management, software updates, system performance monitoring, and shell scripting for automation tasks. An experienced consulting professional who has a broad understanding of solutions, industry best practices, multiple business processes or technology designs within a product/technology family.
Data Manager/Analyst, US State Dept., Washington, District of Columbia, United States (Proposal Position) Tetra Tech IncData Manager/Analyst, US State Dept., Washington, District of Columbia, United States (Proposal Position)DCWith 30,000 employees working together, Tetra Tech provides clear solutions to complex problems by Leading with Science to address the entire water cycle, protect and restore the environment, design sustainable and resilient infrastructure, and support the clean energy transition. EUR/ACE works closely with the Bureau of South and Central Asian Affairs (SCA) and other bureaus and agencies to coordinate assistance, ensuring that programming is cohesive, strategically aligned, and responsive to regional needs.
Manager, Big Data Beyond SOFManager, Big DataDistrict of Columbiabig data solutions into projects. Stay updated on the latest big.
NewData Scientist, Level 2 Independent SoftwareData Scientist, Level 2Annapolis Junction, MDRelevant experience includes one or more of the following: machine learning, data science, advanced analytics, statistical analysis, programming (such as Python), data management, data mining, data modeling, artificial intelligence, or software engineering. Education and Experience: Bachelor's degree in Mathematics, Applied Mathematics, Statistics, Applied Statistics, Machine Learning, Data Science, Operations Research, Computer Science, or a related technical discipline.
SecDev Engineer - TS/SCI w/Poly GD Information TechnologySecDev Engineer - TS/SCI w/PolyAnnapolis JunctionTo ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave.
Senior Network Engineer FgsSenior Network EngineerSuitland, MarylandDemonstrating an unyielding commitment to our customers, superior trust and dedication with our partners, and leading-edge technical expertise over the past seven years, FGS has experienced explosive growth providing superior services throughout the world, from North America and the Pacific Rim to the Middle East and Europe. Primary Duties and Responsibilities: Engineer and troubleshoot enterprise Local Area Networks (LAN), Wide Area Networks (WAN), Metropolitan Area Networks (MAN), and secure point-to-point connections.
Network Engineer 3 Avid Technology Professionals LLCNetwork Engineer 3Annapolis Junction, MDA Master's degree in Computer Science, Information Assurance, Information Security Systems Engineering, or a related discipline from an accredited college or university may be substituted for two (2) years of experience, thereby reducing the total years of experience to six (6). A Bachelor's degree from an accredited college or university in System Engineering, Computer Science, Information Systems, Engineering Science, Engineering Management, or related discipline is required.
Communications Network Engineer - Level 3 Stratum NetworksCommunications Network Engineer - Level 3MarylandAs leading experts in their fields, our certified and highly experienced network, software development, IT support and security professionals are able to provide the necessary design, implementation, and consulting services to meet the demanding requirements of mission-critical networks. STRATUM NETWORKS OVERVIEW: Stratum Networks is a rapidly growing information assurance and cybersecurity solutions company with expert knowledge of implementing secure infrastructure, providing security integration, development, assessment and training solutions.
Zero Trust Engineer Mid Level CELESTIAL INNOVATIONS GROUP LLCZero Trust Engineer Mid LevelWashington, DCFull timeZscaler: Zscaler Internet Access (ZIA), Zscaler Private Access (ZPA), Zscaler Digital Experience (ZDX), cloud proxy architecture, VPN replacement, SSL inspection. Celestial Innovations Group (CIG) is seeking a Mid Zero Trust Engineer to support federal agency clients in the design, implementation, and sustainment of Zero Trust Architecture (ZTA) programs.
Senior Network Engineer Peraton IncSenior Network EngineerWashington, DC$104,000–$166,000 / yearWe are seeking a highly skilled and motivated Senior Network Engineer to support a federal government customer in designing, implementing, securing, and maintaining enterprise network infrastructure within a mission-critical environment. 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.
Data & Analytics - Upcoming Opportunities at Surescripts SureScripts LLCData & Analytics - Upcoming Opportunities at SurescriptsDC$152,900–$186,900 / yearThe work spans end‑to‑end analytics, advanced methods, and modern data and AI platforms using machine learning, automation, and AI‑assisted workflows to increase rigor, speed, and scale in a highly regulated, high‑impact domain where results truly matter. Through secure, large‑scale connectivity and shared clinical and benefit intelligence, we help our network partners make more informed decisions that support appropriate medication access, improve patient safety, and lower costs across the healthcare ecosystem.
Research Scientist III- Data Analyst - Fire Safety Research Institute UL Research InstitutesResearch Scientist III- Data Analyst - Fire Safety Research InstituteColumbia, MarylandThrough advanced fire science, rigorous research, extensive outreach, and education in collaboration with our international network of partners, we share with stakeholders the information, tools, and resources that enable them to make better, more fire-safe decisions that ultimately save lives and property. The Research Scientist III works closely with other FSRI leaders and researchers to analyze data, and develop models associated with fire safety science to ensure all processes are accurate and technically sound.
Principal Network Engineer TekSynap CorpPrincipal Network EngineerAlexandria, VA$115,000–$125,000 / yearExperience in migrating from Axway SUSE to Rocky 9; Experience in vulnerability identification and remediation; Experience in managing AWS resources - Configuring EC2s, ALB, RDS and troubleshooting; Experience in documentation - DOSP, Visio, draw.io, etc. The salary range displayed is an estimate only and is not a guarantee of compensation or salary, and will be determined on several factors regarding the individual's particular combination of education, knowledge, skills, competencies and experience, as well as contract parameters and organizational requirements.
Forensic Structural Engineer, P.E. Salas O'Brien Engineers IncForensic Structural Engineer, P.E.DCRemote$125,000–$185,000 / yearOur specialized experience includes design for energy, manufacturing and industrial process, data centers, healthcare, science and technology, high-rise buildings, education, and other building types as well as structural and building sciences, infrastructure asset management, advanced robotics, and more. Our technical expertise is paired with an exceptional team of business development, human resources, finance and accounting, information technology, and marketing professionals, all of whom play a key role in bringing our commitments to deliver outstanding client outcomes and build long-term careers.
Legal GenAI Engineer Three CrownsLegal GenAI EngineerWashington, DCWorking closely with the Director of IT, Head of Infrastructure and Information Security, Information Security & Legal Applications Analyst, Cloud Infrastructure and Security Engineer and Senior IT Manager to provide configuration documentation and userfriendly best practice guides in relation to the firm's legal applications. Three Crowns is ranked among the top two firms globally for international arbitration by GAR - the industry's benchmark publication - and is the only firm to hold Band 1 rankings across Chambers Global, Europe, France, and UK for international arbitration.
Sr. Analytics Engineer Retail Services & Systems IncSr. Analytics EngineerMD$122,200–$165,000 / yearIn this role, you will bridge the gap between data engineering and data analysis, building scalable, well-documented, and tested data models that empower business users across merchandising, supply chain, marketing, and e-commerce. Total Wine & More is seeking a Senior Analytics Engineer to join our growing Data Services team in our Bethesda, MD office This role will play a pivotal role in transforming raw data into trusted, actionable insights.
NewData Architect (Cleared) ICF International IncData Architect (Cleared)Washington, DC$67,063–$114,008 / yearPlease note: This role is contingent upon a contract award. While it is not an immediate opening, we are actively conducting interviews and extending offers in anticipation of the award. Overview We are seeking a Data Architect to support federal government trade, analytics, and mission transformation priorities by planning, ...
Staff Software Engineer (IC4a) StratAcuity Staffing Partners IncStaff Software Engineer (IC4a)Baltimore, MD$70–$80 / hourIn terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Everforth Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts.
Principal Electrical Engineer, NA Vantage Data Centers Management Co LLCPrincipal Electrical Engineer, NAMDDeveloping and operating across North America, EMEA and Asia Pacific, Vantage has evolved data center design in innovative ways to deliver dramatic gains in reliability, efficiency and sustainability in flexible environments that can scale as quickly as the market demands. Highly skilled in project engineering and design work, the Principal Electrical Engineer handles complex and high-impact assignments, providing technical expertise to guide project success.
Information Systems Security Engineer (ISSE) Dobbs Defense Solutions, LLCInformation Systems Security Engineer (ISSE)Landover, MDThis role partners closely with system administrators, network engineers, Information System Security Officers (ISSOs), and application teams to strengthen cybersecurity posture, support continuous monitoring, and protect mission-critical systems. Hands-on experience administering Tenable Nessus, CyberArk, Trellix, Splunk Enterprise, VMware vSphere, GitLab, Microsoft Windows Server, Red Hat Enterprise Linux, and Ubuntu Linux.
Network Engineer 2 Avid Technology Professionals LLCNetwork Engineer 2Annapolis Junction, MDIn lieu of a Master's degree, a Bachelor's degree from an accredited college or university in System Engineering, Computer Science, Information Systems, Engineering Science, Engineering Management, or related discipline and an additional two (2) years of relevant professional experience providing Network Engineering support for a total of eight (8) years. Certifications: An Information Assurance Technical (IAT) level I baseline certification as defined by DoD 8570.01-M is required or ability to obtain within 6 months from start date.
Network Engineer 3-900 Onyx PointNetwork Engineer 3-900Hanover, MarylandIn lieu of a Master’s degree a Bachelor’s degree from an accredited college or university in System Engineering, Computer Science, Information Systems, Engineering Science, Engineering Management, or related discipline and an additional two (2) years relevant professional experience providing Network Engineering support may be substituted for a total of 12 years. A Master’s degree in Computer Science, Information Assurance, Information Security Systems Engineering, or a related discipline from an accredited college or university.
Cyber Range Software Engineer (SWE-3) Leidos Holdings IncCyber Range Software Engineer (SWE-3)Laurel, MD$107,900–$195,050 / yearYour Main Objective: Looking for a software engineer to support Cyber Security Defensive Operations with configuration of Cyber Range consisting of 100s to 1000s of VMs utilizing Infrastructure as Code (IaC), Terraform, Ansible, VMWare and other automation technologies. 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.
Cyber Range Software Engineer (Swe-3) Leidos Holdings Inc.Cyber Range Software Engineer (Swe-3)Laurel, MD$107,900–$195,050 / yearYour Main Objective: Looking for a software engineer to support Cyber Security Defensive Operations with configuration of Cyber Range consisting of 100s to 1000s of VMs utilizing Infrastructure as Code (IaC), Terraform, Ansible, VMWare and other automation technologies. 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.
Associate, Federal Data Analyst KPMG International CooperativeAssociate, Federal Data AnalystDCIf youre looking for a firm with a strong team connection where you can be your whole self, have an impact, advance your skills, deepen your experiences, and have the flexibility and access to constantly find new areas of inspiration and expand your capabilities, then consider a career in Advisory. 2026 KPMG LLP, a Delaware Limited Liability Partnership, and its subsidiaries are part of the KPMG global organization of independent member firms affiliated with KPMG International Limited, a private English company limited by guarantee.
Data Security Architect / Analyst Jose MercilineData Security Architect / AnalystBaltimore, MarylandThis includes teams that define strategy, architecture, and design guidance, consult on identity, authentication, access control, and data protection, conduct security design reviews, and provide strategic vision and the roadmap for cloud security services. Required Skills: -Strong knowledge of data security tools, processes, and procedures, to include access controls, encryption, data loss prevention, data masking, and tokenization.
Alteryx Data Analytics Consultant Andrew MorganAlteryx Data Analytics ConsultantWashington, DCWe provide high-quality consulting services to federal and commercial clients in Strategy and Management Consulting, Technology & Architecture Services, and Industry & Mission Analytics Solutions. Enable seamless data integration and resilient processes using tools like Alteryx, Apptio, Power BI, Tableau, RPA tools, Azure, and AWS.
Data Security Specialist Jose MercilineData Security SpecialistBaltimore, MarylandRequired Skills: -Strong knowledge of data security tools, processes, and procedures, to include access controls, encryption, data loss prevention, data masking, and tokenization -Knowledge of information security and risk analysis -Demonstrated background in systems architecture, design, and engineering Proven analytical and problem-solving skills. -Write detailed technical guidance for engineers to assist them in implementing adequate data protection controls -Conduct analysis of systems, identify data security-related risks and gaps, and recommend solutions to mitigate risks.
Data Protection SME Acuity INCData Protection SMEUNAVAILABLE, DCJoin an Award-Winning Team Our employees consistently rank us among the best—earning honors like Best Places to Work (Washington Business Journal, 9+ years) and Top Workplaces (The Washington Post, 2022–2025). We’re a management and technology consulting firm supporting critical federal missions, where you’ll have the opportunity to solve meaningful challenges, work alongside high-performing teams, and make a real impact from day one.
Data Scientist, AWS Security Amazon.com IncData Scientist, AWS SecurityMDWe offer talented security professionals the chance to accelerate their careers with opportunities to build experience in a wide variety of areas including cloud, devices, retail, entertainment, healthcare, operations, and physical stores. You"ll collaborate with software engineers, security engineers, and fellow data scientists to: Analyze large-scale security data using statistical methods and data mining techniques.
Senior Specialist, Federal Data Scientist KPMG International CooperativeSenior Specialist, Federal Data ScientistDCIf youre looking for a firm with a strong team connection where you can be your whole self, have an impact, advance your skills, deepen your experiences, and have the flexibility and access to constantly find new areas of inspiration and expand your capabilities, then consider a career in Advisory. 2026 KPMG LLP, a Delaware Limited Liability Partnership, and its subsidiaries are part of the KPMG global organization of independent member firms affiliated with KPMG International Limited, a private English company limited by guarantee.
Principal Engineer, SCADA Engineering (BESS) Invenergy LLCPrincipal Engineer, SCADA Engineering (BESS)MD$155,000–$180,000 / yearThis role is accountable for defining and documenting control strategies and data interfaces between substation devices, generation resources, data centers, remote operation centers, and external entities, and for driving reliable data connectivity and control readiness from design, commissioning, and turnover. Monitor construction progress remotely and via on site visits, support resolution of field issues, attend in person meetings with stakeholders, and provide on-site programming and field support during commissioning when required.
Platform Infrastructure Engineer CACI ProductsPlatform Infrastructure EngineerColumbia, MD$116,587–$154,200 / yearYou'll work closely with software engineers, network engineers, security engineers, and technical leadership to deliver reliable, scalable infrastructure while helping modernize our architecture toward cloud-native and hybrid-cloud environments. Ncyber is seeking a Platform Infrastructure Engineer to design, build, automate, and maintain the infrastructure that powers mission-critical software systems supporting the National Security Community.
Senior VMWare Virtualization Architect/Engineer TekSynapSenior VMWare Virtualization Architect/EngineerMaryland$160,000–$170,000 / yearFull timeOverview: We are seeking a Senior VMWare Virtualization Architect/Engineer to drive the architecture, design, security, deployment, and lifecycle optimization of enterprise scale virtualization services supporting Defense Intelligence Agency’s mission critical operations under Solutions for the Information Technology Enterprise III (SITE III) . Proven e xpert with Forcepoint Trusted Thin Client (TTC), Powershell , vSphere/ ESXi (virtualization) , vCenter, vSAN , NSX (DFW, micro segmentation , overlay networking), CITRIX (Virtualization) , Avocent (KVM), SRM, lifecycle and image management, and performance tuning at scale.
OT Cybersecurity Engineer Applied Control Engineering, Inc.OT Cybersecurity EngineerBaltimore, MDPREFERRED EDUCATION Bachelors (or higher) degree in Chemical Engineering, Electrical Engineering, Mechanical Engineering, Robotics Engineering, Bioengineering, Industrial Engineering, Computer Engineering or Computer Science. This is a hands-on engineering role focused on building and securing servers and networks for industrial control systems including documenting system hardening and deploying security tools.
Wireless Network Performance Engineer Corner Alliance IncWireless Network Performance EngineerWashington, DC$130,000–$200,000 / yearExperience utilizing cellular device log analysis tools such as Rohde & Schwarz SmartAnalytics or similar for developing network measurement reports detailing test success rates, data performance, coverage quality, network deployment configurations, and deployed capacity. 10+ years experience supporting nationwide or multi-state wireless networks, preferably public safety broadband or similar mission-critical environments, including coverage and capacity analysis, network deployment configurations, performance evaluation, and/or operations for RAN and core networks.
Wireless Network Performance Engineer Corner AllianceWireless Network Performance EngineerWashington, DC$130,000–$200,000 / yearExperience utilizing cellular device log analysis tools such as Rohde & Schwarz SmartAnalytics or similar for developing network measurement reports detailing test success rates, data performance, coverage quality, network deployment configurations, and deployed capacity. 10+ years' experience supporting nationwide or multi-state wireless networks, preferably public safety broadband or similar mission-critical environments, including coverage and capacity analysis, network deployment configurations, performance evaluation, and/or operations for RAN and core networks.
Tactical Network & Mission Systems Engineer, Maritime ANDURIL INDUSTRIESTactical Network & Mission Systems Engineer, MaritimeWashington, DC$146,000–$194,000 / yearYou'll work closely with a principal-level architect and platform engineering teams to turn networking strategy into operational capability -- writing code, standing up infrastructure, debugging in real environments, and proving it works at sea. Experience with military or defense networking: HAIPE/Type 1 crypto, cross-domain solutions, tactical datalinks, coalition networking, or classified network interconnection.