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Senior Security Jobs in Clifton, MD

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Senior Windows Cloud Server Engineer Guidehouse

Dc, District of Columbia

$149,000–$248,000 / year

Ability to work independently with minimal supervision in complex, secure environments; strong analytical and advanced troubleshooting skills; excellent written, verbal, and stakeholder communication; demonstrated technical leadership and mentoring. Maintain, troubleshoot, patch, harden, and recover Windows Server systems in production — sustaining availability during business hours and through a shared on-call rotation, independently resolving after-hours incidents.

30+ days ago

Senior Network Engineer BlueAlly

Washington, DC

The Senior Network Engineer should have extensive experience in the design, implementation, and support of complex data and voice networks, provisioning and troubleshooting wide area services, diagnosing and resolving equipment configuration and network problems, monitoring network faults and performance, and supporting cabling infrastructures to support voice and data. Senior network engineering support to include advanced data design, upgrades, troubleshooting, and Level 3 operational support for the campus and wide area networks.

30+ days ago

Security Officer FLEX PT Armed Patrol Assessment Allied Universal

Washington D.C., DC

As a Security Officer Enhanced Part Time Armed Patrol Assessment in Washington, DC, this role is designed to provide reliable, consistent hours at an assigned site with the flexibility for you to earn more by picking-up additional shifts when it works for you. Earn More, Claim-A-Shift Program: In addition to your fixed shift, you may pick-up extra shifts through our scheduling platform, allowing you to increase earnings and gain experience across multiple sites.

2 days ago

Security Officer Part Time Patrol Public Interaction Allied Universal

Washington D.C., DC

As an Unarmed Patrol Officer at a commercial real estate location, you will conduct routine patrols, maintain a visible presence to help deter incidents, and support a welcoming environment for tenants, visitors, and staff. Conduct regular and random foot and/or vehicle patrols throughout commercial property common areas, parking facilities, building perimeters, and other assigned locations to help identify unusual activity or conditions.

2 days ago

Security Solutions Architect - Federal Qualys Inc

Washington DC, DC

As a Qualys Security Solutions Architect, serve as a trusted advisor to customers by providing critical insights and education on asset and vulnerability management, patching, threat detection and response, compliance, and cloud and application security, leveraging the world-class capabilities of the Qualys Platform to effectively mitigate risks in both cloud and on-premise environments. Collaborate closely with field sellers (Technical Account Managers or TAMs) within the enterprise customer segment to drive both local and corporate growth initiatives by delivering advanced technical expertise on the Qualys Platform.

30+ days ago

Security System Administrator (5708) Smartronix

Arlington, VA

$93,700–$156,200 / year

The ideal candidate should also be comfortable working with a multi-disciplinary team to create, author, and brief repeatable frameworks and analyses focused on providing insights into potential vulnerabilities, stakeholder requirements, and necessary evolutions to a client's portfolio with the goal of identifying, understanding, and mitigating different types of risks. The SMX salary determination process takes into account a number of factors, including but not limited to, geographic location, Federal Government contract labor categories, relevant prior work experience, specific skills, education and certifications.

4 days ago

Program Manager - Senior Contract Specialist Far West Federal

Washington, DC

Full time
Quick Apply

Preferred QualificationsExperience with STRIPES, STARS, FAST, I-MANAGE/IDW, AMIS/PRISM, FedConnect, CPARS/SAM, and Microsoft 365.Experience supporting NNSA Headquarters, NA-PAS, DNN, or other NNSA program offices. Far West Federal and its ANC 8(a) subsidiaries, Angayut and Far West Services, provide a broad range of services that empower government teams and support critical missions across federal agencies.

30+ days ago

Senior Infrastructure Protection Analyst Redhorse Corporation

Washington, DC

You will partner with senior leaders across Headquarters Air Force (HAF), AFCEC, AFIMSC, MAJCOMs, and Combatant Commands to develop forward-looking policy, governance frameworks, and decision-support products that ensure critical infrastructure survivability and mission assurance in contested environments. Facilitate working groups, governance boards, and strategic planning sessions, producing executive summaries, decision memos, white papers, and General Officer/Senior Executive Service (GO/SES) briefings.

30+ days ago

All-Source Analyst (Watch Floor) - Sr Nalley Consulting

Fort Meade, MD

Full time

Uses intelligence database and tools, to include Palantir, Cyber Common Operating Picture (CyberCOP), Target Knowledge Base, Cyber Threat Matrix, Automated Message Handling System, WISE Information Management System, Network Knowledge Base, FoxTrail, CENTAUR, ispace, Pathfinder, and Microsoft OneNote. Description Conducts analysis using intelligence and information from multiple sources to assess, interpret, forecast, and explain a range of national security issues and developments that are regional or functional in nature.

16 days ago

Senior Air-to-Air Modeling and Simulation Analyst Johns Hopkins Applied Physics Laboratory

Laurel, Maryland

Full time

APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development. Develop, evaluate, and analyze tactics and concepts of employment for ground breaking technologies such as air platforms, sensors, countermeasures, and weapons including manned-unmanned vehicles.

30+ days ago

Senior Program Manager Leidos

Annapolis Junction, Maryland

You will lead execution on a large, nationally significant mission-critical Identity, Credential, and Access Management (ICAM) / Identity and access management (IdAM) contract within the SIGINT Solutions Division, providing program management, program security administration, and oversight. Our talented team is at the forefront in Mission Software, Security Engineering, Computer Network Operations (CNO), Offensive Cyber, Artificial Intelligence, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management.

30+ days ago

Client Service Delivery Senior Manager - Infrastructure Accenture Plc

Arlington, VA

This role combines strategic account leadership with operational governance, requiring a leader who is equally comfortable in a boardroom presenting quarterly business reviews and, on the floor, driving incident resolution with technical teams Additionally, you have the communication and people skills to inspire teams to bring their A-game. Operating across the full infrastructure stack - hybrid cloud, on-premises, network, security, and end-user computing - the SDM serves as the primary executive relationship owner, ensuring contractual SLAs are met, operational excellence is sustained, and client satisfaction drives organic growth.

30+ days ago

Senior Privacy Counsel (Remote) Aledade Inc

Arlington, VA

Remote

We were founded in 2014, and since then, we've become the largest network of independent primary care in the country - helping practices, health centers and clinics deliver better care to their patients and thrive in value-based care. Provide support to our internal commercial contracting team, acting as a subject matter expert for escalated review of privacy-related provisions in vendor agreements, data use agreements, and business associate agreements.

30 days ago

Senior Sales Engineer, PacNW Recorded Future Inc

Washington, WA

Remote

$143,000–$200,500 / year

This role will report directly to the Manager of PreSales for North America and will partner closely with Account Executives to understand customer challenges and provide solutions that provide the outcomes they're looking for. Create business justifications and/or executive business case presentations to tie Recorded Future solutions to customer outcomes, enabling them to justify the decision.

14 days ago

Senior Sales Engineer, Public Sector Recorded Future Inc

Washington, DC

Remote

$143,000–$200,500 / year

4 days ago

Full Stack Software Engineer, Senior Booz Allen Hamilton Inc

Laurel, MD

$112,800–$257,000 / year

Bachelor's degree in CS or an Engineering field and 5+ years of experience with software, database engineering, or software testing or 10+ years of experience with software, database engineering, or software testing in lieu of a degree. 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.

30+ days ago

Sr. Oracle Backend DBA Mindlance

Washington, DC

Quick Apply

This role manages all backend database operations—including patching, cloning, tuning, disaster recovery, and high-availability—ensuring the EBS platform remains resilient and compliant as it transitions into the broader UNIFI operations framework referenced in the EBS Transformation Kick-Off Meeting. EBS Application Tier & Backend Support: Support EBS 12.2.12 backend components including database schemas (APPS, APPLSYS, etc.), workflow schemas, concurrent processing schemas, and technology stack objects.

30+ days ago

Senior Director of Operations Manatt Phelps & Phillips

Washington

Reporting to the Firm’s Chief Operating Officer (COO) and a member of the Firm’s Business Professional Leadership Team, the Senior Director of Operations will be a strategic leader with proven expertise in project/initiative management, managing administrative, real estate/facilities and information services/knowledge management operations, driving organizational efficiency, managing special projects and fostering a culture of excellence in a legal, consulting or professional services environment. Works closely with COO, Director of Real Estate and Facilities and Directors of Administration in regard to leases, security, space planning, occupancy, new space, renovations, maintenance and other firm needs to ensure all strategic and operational needs are met.

30+ days ago

Senior SerDes & Analog Layout Design Engineer Microsoft

Washington, DC

$119,800–$234,700 / year

Doctorate in Electrical Engineering, Computer Engineering, Computer Science, or related field AND 1+ year(s) technical engineering experience OR Masters Degree in Electrical Engineering, Computer Engineering, Computer Science, or related field AND 4+ years technical engineering experience OR Bachelors Degree in Electrical Engineering, Computer Engineering, Computer Science, or related field AND 5+ years technical engineering experience OR equivalent experience. The Semi & Custom IP team develops advanced analog and mixed-signal IP, including D2D SerDes interfaces, for next-generation AI accelerators, cloud infrastructure, and custom silicon platforms powering Microsoft’s future AI services and datacenter offerings.

30+ days ago

Sr Operational Planner Solutions Through Innovative Technologies, Inc

Arlington, VA

Utilize the information provided in the Market Research Logistical Report to create the Draft SPP Annual Workshop Staff Packet and follow the procedures after the Market Research Logistical Report has been endorsed and the event location has been determined. Provide the Draft SPP Legislation, Authorities, and Implementing Instructions-Workshop Plenary Session Update Slides and the Draft SPP Professional Development Workshop Breakout Updates Slides on Microsoft PowerPoint.

2 days ago

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Senior Security Jobs in Clifton, MD

Senior Windows Cloud Server Engineer Guidehouse

Senior Network Engineer BlueAlly

Security Officer FLEX PT Armed Patrol Assessment Allied Universal

Security Officer Part Time Patrol Public Interaction Allied Universal

Security Solutions Architect - Federal Qualys Inc

Security System Administrator (5708) Smartronix

Program Manager - Senior Contract Specialist Far West Federal

Senior Infrastructure Protection Analyst Redhorse Corporation

All-Source Analyst (Watch Floor) - Sr Nalley Consulting

Senior Air-to-Air Modeling and Simulation Analyst Johns Hopkins Applied Physics Laboratory

Senior Program Manager Leidos

Client Service Delivery Senior Manager - Infrastructure Accenture Plc

Senior Privacy Counsel (Remote) Aledade Inc

Senior Sales Engineer, PacNW Recorded Future Inc

Senior Sales Engineer, Public Sector Recorded Future Inc

Full Stack Software Engineer, Senior Booz Allen Hamilton Inc

Sr. Oracle Backend DBA Mindlance

Senior Director of Operations Manatt Phelps & Phillips

Senior SerDes & Analog Layout Design Engineer Microsoft

Sr Operational Planner Solutions Through Innovative Technologies, Inc

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