Senior Infrastructure Engineer- -TS/SCI Security Clearance Required
$150k - $165kPower3 Solutions
Senior Infrastructure Engineer- -TS/SCI Security Clearance Required Columbia, MD Computer/Software We pridesourselves on an open, and honest culture in the workplace which builds a morale conducive to inspiring growth on our team, while balancing lifestyle by supporting personal and family goals with flexibility. Offering secure network systems and software engineering solutions in both public and private sectors. With certified expert consulting our team at is able to address the customers mission, and follow through in the systems development life cycle. Clearance Required: TS/SCI Title: Senior Infrastructure Engineer Location: Columbia, MD Salary Range: $150-165K ++ The Senior Infrastructure Engineer serves as the technical lead for the organization's enterprise infrastructure, responsible for the architecture, implementation, operation, and continuous improvement of compute, storage, network, virtualization, and identity management platforms. This position provides strategic and operational leadership for critical infrastructure services across a variety of classified networks, establishes engineering standards, drives modernization initiatives, and ensures the reliability, security, and scalability of systems supporting customer operations. The role requires extensive hands-on technical expertise, cross-functional collaboration, and the ability to lead complex projects and maintenance activities in a secure enterprise environment. We pridesourselves on an open, and honest culture in the workplace which builds a morale conducive to inspiring growth on our team, while balancing lifestyle by supporting personal and family goals with flexibility. Offering secure network systems and software engineering solutions in both public and private sectors. With certified expert consulting our team at is able to address the customers mission, and follow through in the systems development life cycle. Clearance Required: TS/SCI Title: Senior Infrastructure Engineer Location: Columbia, MD Salary Range: $150-165K ++ The Senior Infrastructure Engineer serves as the technical lead for the organization's enterprise infrastructure, responsible for the architecture, implementation, operation, and continuous improvement of compute, storage, network, virtualization, and identity management platforms. This position provides strategic and operational leadership for critical infrastructure services across a variety of classified networks, establishes engineering standards, drives modernization initiatives, and ensures the reliability, security, and scalability of systems supporting customer operations. The role requires extensive hands-on technical expertise, cross-functional collaboration, and the ability to lead complex projects and maintenance activities in a secure enterprise environment. Responsibilities include: Design, implement, administer, and maintain enterprise infrastructure systems including Cisco UCS, Microsoft Active Directory, enterprise storage platforms, Windows Server environments, and core network infrastructure. Architect, deploy, and support network solutions including routing, switching, segmentation, and secure communications across multiple classified environments. Develop and maintain infrastructure standards, engineering best practices, system baselines, and technical roadmaps. Lead infrastructure modernization efforts, technology refresh projects, migrations, and lifecycle management activities. Manage enterprise storage solutions, data protection strategies, backups, disaster recovery capabilities, and capacity planning initiatives. Administer enterprise identity and authentication services including Active Directory, Group Policy, DNS, DHCP, and file services. Plan and execute system upgrades, firmware updates, patches, maintenance activities, and change management procedures. Troubleshoot complex infrastructure issues, perform root cause analysis, and implement corrective actions to improve operational stability and performance. Collaborate with cybersecurity personnel to ensure compliance with security requirements, vulnerability remediation efforts, STIG implementation, and system hardening activities. Evaluate emerging technologies and provide technical recommendations for infrastructure improvements and future-state architectures. Develop and maintain technical documentation including architectures, diagrams, procedures, standards, and operational runbooks. Provide senior-level technical guidance and mentoring to infrastructure personnel and serve as an escalation point for complex technical issues. Support planned after-hours maintenance windows and emergency response efforts to maintain system availability and operational readiness. Requirements: 10+ years of progressive experience designing, implementing, and supporting enterprise-scale infrastructure environments, including compute, storage, networking, virtualization, and identity services. Expert-level knowledge of Cisco UCS infrastructure, including architecture, administration, lifecycle management, firmware maintenance, capacity planning, and performance optimization in highly available enterprise environments. Strong experience with enterprise virtualization platforms, including VMware vSphere, ESXi, vCenter, Hyper-V, Nutanix, or equivalent technologies supporting mission-critical workloads. Advanced experience designing, implementing, and maintaining enterprise network infrastructure, including LAN/WAN, routing, switching, segmentation, and network security best practices.Demonstrated ability to architect and establish enterprise infrastructure standards, develop technical roadmaps, evaluate emerging technologies, and lead infrastructure modernization initiatives aligned with business objectives. Extensive hands-on experience administering Microsoft Active Directory, Group Policy, DNS, DHCP, file services, authentication systems, and enterprise identity management solutions. Strong experience managing enterprise storage platforms, including SAN, NAS, backup, disaster recovery, replication, capacity planning, and data protection strategies. Advanced understanding of Windows server operating systems, including system hardening, patch management, performance tuning, automation, and lifecycle management. Experience leading infrastructure maintenance and operational activities within production environments, including change management, patching, upgrades, disaster recovery testing, and after-hours maintenance windows. Demonstrated ability to lead complex technical projects from design through implementation, collaborating across technical teams, vendors, and stakeholders to ensure successful delivery and operational readiness. Expert troubleshooting and problem-solving skills, with the ability to perform root cause analysis, resolve critical infrastructure issues, and develop long-term corrective actions for enterprise systems. Strong knowledge of cybersecurity principles and infrastructure security practices, including vulnerability remediation, system hardening, access controls, compliance requirements, and secure infrastructure design. Experience developing technical documentation, operational procedures, infrastructure standards, and architectural diagrams to support enterprise governance and knowledge management. Proven ability to serve as a senior technical leader and mentor, providing guidance to engineers, establishing best practices, and driving continuous improvement across infrastructure operations. Security Clearance Required:
TS / SCI
Minimum Education: High School Diploma or equivalent Minimum Years of Experience: 10+years of progressive experience designing, implementing, and supporting enterprise-scale infrastructure environments, including compute, storage, networking, virtualization, and identity services. Required Certifications: Required IAT Level 3 Certs: one or more of the following: CISM, CISSP, or equivalent senior-level baseline certification Required vendor certification in one or more relevant technologies (e.g., Microsoft, VMware, Cisco, NetApp, Pure Storage, HP, Dell, Linux+, Red Hat, HBSS, ACAS). Candidates without an active certification must obtain at least one within 6 months of hire Preferred Qualifications: Bachelors Degree Experience supporting Federal Government, DoD, or regulated environments. Experience with NIST RMF, NIST 800-53, STIGs, CIS Benchmarks, or equivalent compliance frameworks. Experience with VMware, Hyper-V, Nutanix, or other enterprise virtualization platforms. Experience with enterprise backup, disaster recovery, and business continuity solutions. Prior Military experience Benefits: We offer a competitive benefits and compensation package and FUN place to work! Benefits include, but not limited to: Health and Wellness Benefits Medical Insurance (three CareFirst healthcare plans to choose from, Dental and Vision Insurance, 75% covered for employee/ 50% per dependant Health Savings Account (HSA) contributions $1500 individual/ $3000 family Personal Insurance Benefits Company-paid Life Insurance and AD&D coverage Company-paid Short-term and Long-term Disability Insurance Paid Leave Employees receive 20 days of vacation/10 holidays built into hourly rate/ 5 days of Administrative time (currently used for snow, jury, bereavement) Retirement Pre-tax 401k program including 6% company match 100% fully vested from eligibility date *Eligible after 90 days of employment Companyprovides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, pregnancy, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training. #J-18808-Ljbffr Power3 Solutions$7.5k
...Senior Network EngineerLocation: Columbia, MDSecurity Clearance Required: Security Clearance with appropriate PolygraphJob DescriptionAre... ...providing architecture, engineering, integration, and maintenance... ...sustainment, and infrastructure modernization activities....Security ClearanceSeniorContract workWork experience placementImmediate startFlexible hours$100k - $245k
A leading defense and engineering organization in Laurel, Maryland is seeking a Long Range... ...systems for multi-domain warfare, requiring expertise in complex system engineering... ...relevant experience, alongside a Top Secret security clearance. The position offers a competitive...Security ClearanceSenior- ...MD Our client seeks a Senior Cloud/DevOps Engineer to design, automate, secure, and operate enterprise cloud... ...environment. The role implements infrastructure as code, builds CI/CD... ...Due to federal security clearance requirements, applicant must be a United States...Security ClearanceSeniorHourly payContract workLocal area
- ...of Collins Aerospace, is seeking a Senior Principal Software Engineer to drive architecture and... ...across the organization. The role requires strong OO programming skills in Java... ..., and the ability to obtain a DoD security clearance. Onsite at Fulton, MD location with...Security ClearanceSenior
$106k - $279k
...Senior Program Manager Herndon... ...trusted national security partner,... ...software and data engineering platform modernizes... ...Ensure requirements are clear, decomposed... ...in cloud infrastructure, especially as... ...Secret Security Clearance with the ability to acquire SCI ~5+ years of...Security ClearanceSeniorWork experience placementFlexible hours1 day per week$137.51k - $180k
...Senior DevOps Engineer (Hybrid)Enlighten, honored as a Top Workplace... ...for implementing infrastructure, automating... ...QualificationsSecurity Clearance – A current Top... ...Secret U.S. Government Security Clearance is required; U.S. Citizenship required. SCI eligibility is...Security ClearanceSeniorWork at officeWork from home- ...Aerospace, is seeking a Principal Software Engineer for our Fulton, MD facility. You will... ...modern tooling. This onsite role requires strong leadership and collaboration... ...and the ability to obtain/maintain a US DoD security clearance. #J-18808-Ljbffr Jobleads-USSecurity ClearanceSenior
$95.5k - $181.7k
Raytheon is seeking a Senior Photonic Integrated Circuit Design Engineer to work in Columbia, MD. This position involves designing... ...in photonics design. The role requires U.S. citizenship for a Top Secret security clearance. A competitive salary range of $95,500...Security ClearanceSenior$131k - $178k
...solutions provider is hiring a Network Engineer II in Columbia, MD. The role... ...designing and optimizing complex network infrastructures using Cisco and Arista technologies... ...Network Engineering. The position requires active Security Clearance and offers a competitive pay range...Security Clearance$122k - $168k
...Columbia, MD. This role supports analytic optimization and communication analysis, requiring over five years of experience in SIGINT development. Candidates must hold an active Security Clearance with a Polygraph. The position offers a pay range of $122,000 - $168,000 and...Security ClearanceSenior- ...threat assessments, and to develop indicators for monitoring a dynamic operating environment. A senior role with strong leadership expectations and a required security clearance is described. The package reflects challenging missions with comprehensive benefits. The role...Security ClearanceSenior
- ...based in Columbia, MD, seeks an experienced QA/Test Engineer to develop and execute comprehensive test scripts, ensuring... ..., and delivering clear test documentation, with a senior requirement and active security clearance. RealmOne offers strong growth and mission-focused...Security ClearanceSenior
- Booz Allen Hamilton is seeking a Senior System Administrator to design, deploy, and... ...will help modernize the network, ensure security controls, and improve system... ..., and a strong background in security clearance requirements, while mentoring team members and guiding...Security ClearanceSenior
- ...optimizing existing ones for stakeholders. Qualified candidates will have extensive SIGINT analytic experience and a current security clearance with polygraph. RealmOne offers strong benefits, training, and a flexible, growth-oriented workplace based in #J-18808-Ljbffr...Security ClearanceSeniorFlexible hours
- ...include competitive pay, healthcare coverage, a generous retirement plan, and extensive professional development support. Applicants must have an active Security Clearance. Join a dynamic team at a leading company supporting critical IT environments. #J-18808-Ljbffr RealmOneSecurity ClearanceSenior
$185k - $235k
...cybersecurity and technology firm is seeking a Level 2 Systems Engineer to analyze and develop system specifications while ensuring... ...along with a relevant bachelor's degree and an active security clearance. The position offers a competitive salary range of $185,000...Security ClearanceSenior- ...Senior Network Engineer - Analytics TeamWe are seeking a highly skilled Network... ...analytic or data integration requirements.Ensure all solutions and processes align with security and compliance requirements.... ...Full Scope Polygraph (FSP) clearance.Strong networking background...Senior
- ...Industries (HII) Mission Technologies in Columbia, MD, seeks a Senior Software Engineer to design, implement, integrate, and test new... ...development with Java/C++, US citizenship, and eligibility for a security clearance. #J-18808-Ljbffr Huntington Ingalls IndustriesSecurity ClearanceSenior
- Via Logic LLC is seeking a Senior-level Offensive Cyberspace Operational Planner to... ...Candidates must have an Active Top Secret/SCI security clearance and a BA/BS degree in Computer Science... ...Cyberspace Operations plans and requires over eight years of experience as a CO...Security ClearanceSeniorContract work
- A leading defense contractor is seeking a Senior Software Engineer for a hybrid role based in Columbia, MD. This position involves designing... ...educational background and a current U.S. Government Security Clearance is preferred. The company offers a comprehensive benefits...Security ClearanceSeniorFor contractors
- ...seeking a skilled Network Engineer to design, implement,... ...and maintain network infrastructure for an enterprise IT... ...routing, switching, security, VPNs, NAT, load... ...performance and security requirements. The role requires a... ...an active security clearance. #J-18808-Ljbffr RealmOneSecurity ClearanceContract workFlexible hours
$7.5k
...EngineerLocation: Columbia, MDSecurity Clearance Required: Security Clearance with appropriate... ...mission-critical contract providing engineering support for system development, fielded... ...and large-scale telecommunication infrastructures. Assists telecommunications end users...Security ClearanceContract workWork experience placementImmediate startFlexible hours$174.28k - $250k
...software and systems engineering, cyber... ...Enlighten is seeking a Senior Capture/... ...specific data requirements of the DoW, Intelligence... ...and mission infrastructure to solve the... ...Defense (MoDs), and security agencies. Focus... ...Security Clearance: Active Top Secret/SCI preferred, but...Security ClearanceSeniorWork experience placementRemote workWork from home- ...Ingalls Industries in Columbia, MD is looking for a Portfolio/Senior Program Manager to lead a cloud big data program. This hybrid... ...experts. Candidates must hold an active Secret level security clearance and have the skills to effectively communicate project milestones...Security ClearanceSeniorFor contractors
- ...Technologies, a division of HII, is seeking a Portfolio/Senior Program Manager to lead a cloud big data program in... ...in a hybrid working environment. The position requires maintaining an active security clearance, managing contracts effectively, and a successful history...Security ClearanceSenior
- ...networks. The role includes developing security assessment plans, validating cloud... ..., and drafting security policies per NIST requirements. A Senior role requires over 10 years of experience and an MA/MS degree, with an active security clearance. #J-18808-Ljbffr RealmOneSecurity ClearanceSeniorFlexible hours
$92.3k - $166.85k
...seeking a Network Engineer to lead... ...for NMCI network infrastructure. Provide technical... ..., and metrics to senior leadership. •Lead... ...Qualifications:•Requires B.S. Degree and 8... ...12 years network security and vulnerability... ...an active Secret clearance.•Expert knowledge...SeniorFull time- ...cybersecurity company is seeking a Mid-Senior level Information Systems Security Engineer in Columbia, MD. The role... ...implementation of secure IA architectures and requires extensive experience in security... ...must be U.S. citizens with full clearance. Full-time position with...Security ClearanceSeniorFull time
- ...Description Job Description ** Security Clearance Required Company Overview Systems Technology... ...a premier provider of management, engineering, information technology, and... ...mitigate impact of issues and improve infrastructure performance. Perform incident response...Security ClearanceSeniorWork at officeFlexible hours
- ...Inc. in Columbia, MD, is seeking a Network Engineer to support design, deployment and... ...for critical government programs. The role requires analyzing designs, configuring switches, routers and firewalls, implementing security controls, and ensuring high availability...Senior
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Infrastructure Engineer- -TS/SCI Security Clearance Required. Be the first to apply!
- senior infrastructure engineer Columbia, MD
- infrastructure developer Columbia, MD
- remote infrastructure engineer Columbia, MD
- infrastructure engineer Columbia, MD
- cyber security analyst Columbia, MD
- information security consultant Columbia, MD
- senior network engineer remote Columbia, MD
- senior manager legal Columbia, MD
- sr project manager Columbia, MD
- senior staff systems engineer Columbia, MD


